59#define DEBUG_TYPE "openmp-ir-builder"
66 cl::desc(
"Use optimistic attributes describing "
67 "'as-if' properties of runtime calls."),
71 "openmp-ir-builder-unroll-threshold-factor",
cl::Hidden,
72 cl::desc(
"Factor for the unroll threshold to account for code "
73 "simplifications still taking place"),
84 if (!IP1.isSet() || !IP2.isSet())
86 return IP1.getBlock() == IP2.getBlock() && IP1.getPoint() == IP2.getPoint();
91 switch (SchedType & ~OMPScheduleType::MonotonicityMask) {
92 case OMPScheduleType::UnorderedStaticChunked:
93 case OMPScheduleType::UnorderedStatic:
94 case OMPScheduleType::UnorderedDynamicChunked:
95 case OMPScheduleType::UnorderedGuidedChunked:
96 case OMPScheduleType::UnorderedRuntime:
97 case OMPScheduleType::UnorderedAuto:
98 case OMPScheduleType::UnorderedTrapezoidal:
99 case OMPScheduleType::UnorderedGreedy:
100 case OMPScheduleType::UnorderedBalanced:
101 case OMPScheduleType::UnorderedGuidedIterativeChunked:
102 case OMPScheduleType::UnorderedGuidedAnalyticalChunked:
103 case OMPScheduleType::UnorderedSteal:
104 case OMPScheduleType::UnorderedStaticBalancedChunked:
105 case OMPScheduleType::UnorderedGuidedSimd:
106 case OMPScheduleType::UnorderedRuntimeSimd:
107 case OMPScheduleType::OrderedStaticChunked:
108 case OMPScheduleType::OrderedStatic:
109 case OMPScheduleType::OrderedDynamicChunked:
110 case OMPScheduleType::OrderedGuidedChunked:
111 case OMPScheduleType::OrderedRuntime:
112 case OMPScheduleType::OrderedAuto:
113 case OMPScheduleType::OrderdTrapezoidal:
114 case OMPScheduleType::NomergeUnorderedStaticChunked:
115 case OMPScheduleType::NomergeUnorderedStatic:
116 case OMPScheduleType::NomergeUnorderedDynamicChunked:
117 case OMPScheduleType::NomergeUnorderedGuidedChunked:
118 case OMPScheduleType::NomergeUnorderedRuntime:
119 case OMPScheduleType::NomergeUnorderedAuto:
120 case OMPScheduleType::NomergeUnorderedTrapezoidal:
121 case OMPScheduleType::NomergeUnorderedGreedy:
122 case OMPScheduleType::NomergeUnorderedBalanced:
123 case OMPScheduleType::NomergeUnorderedGuidedIterativeChunked:
124 case OMPScheduleType::NomergeUnorderedGuidedAnalyticalChunked:
125 case OMPScheduleType::NomergeUnorderedSteal:
126 case OMPScheduleType::NomergeOrderedStaticChunked:
127 case OMPScheduleType::NomergeOrderedStatic:
128 case OMPScheduleType::NomergeOrderedDynamicChunked:
129 case OMPScheduleType::NomergeOrderedGuidedChunked:
130 case OMPScheduleType::NomergeOrderedRuntime:
131 case OMPScheduleType::NomergeOrderedAuto:
132 case OMPScheduleType::NomergeOrderedTrapezoidal:
140 SchedType & OMPScheduleType::MonotonicityMask;
141 if (MonotonicityFlags == OMPScheduleType::MonotonicityMask)
152 if (Features.
count(
"+wavefrontsize64"))
153 return omp::getAMDGPUGridValues<64>();
154 return omp::getAMDGPUGridValues<32>();
165 bool HasSimdModifier) {
167 switch (ClauseKind) {
168 case OMP_SCHEDULE_Default:
169 case OMP_SCHEDULE_Static:
170 return HasChunks ? OMPScheduleType::BaseStaticChunked
171 : OMPScheduleType::BaseStatic;
172 case OMP_SCHEDULE_Dynamic:
173 return OMPScheduleType::BaseDynamicChunked;
174 case OMP_SCHEDULE_Guided:
175 return HasSimdModifier ? OMPScheduleType::BaseGuidedSimd
176 : OMPScheduleType::BaseGuidedChunked;
177 case OMP_SCHEDULE_Auto:
179 case OMP_SCHEDULE_Runtime:
180 return HasSimdModifier ? OMPScheduleType::BaseRuntimeSimd
181 : OMPScheduleType::BaseRuntime;
189 bool HasOrderedClause) {
190 assert((BaseScheduleType & OMPScheduleType::ModifierMask) ==
191 OMPScheduleType::None &&
192 "Must not have ordering nor monotonicity flags already set");
195 ? OMPScheduleType::ModifierOrdered
196 : OMPScheduleType::ModifierUnordered;
197 OMPScheduleType OrderingScheduleType = BaseScheduleType | OrderingModifier;
200 if (OrderingScheduleType ==
201 (OMPScheduleType::BaseGuidedSimd | OMPScheduleType::ModifierOrdered))
202 return OMPScheduleType::OrderedGuidedChunked;
203 else if (OrderingScheduleType == (OMPScheduleType::BaseRuntimeSimd |
204 OMPScheduleType::ModifierOrdered))
205 return OMPScheduleType::OrderedRuntime;
207 return OrderingScheduleType;
213 bool HasSimdModifier,
bool HasMonotonic,
214 bool HasNonmonotonic,
bool HasOrderedClause) {
215 assert((ScheduleType & OMPScheduleType::MonotonicityMask) ==
216 OMPScheduleType::None &&
217 "Must not have monotonicity flags already set");
218 assert((!HasMonotonic || !HasNonmonotonic) &&
219 "Monotonic and Nonmonotonic are contradicting each other");
222 return ScheduleType | OMPScheduleType::ModifierMonotonic;
223 }
else if (HasNonmonotonic) {
224 return ScheduleType | OMPScheduleType::ModifierNonmonotonic;
234 if ((BaseScheduleType == OMPScheduleType::BaseStatic) ||
235 (BaseScheduleType == OMPScheduleType::BaseStaticChunked) ||
241 return ScheduleType | OMPScheduleType::ModifierNonmonotonic;
249 bool HasSimdModifier,
bool HasMonotonicModifier,
250 bool HasNonmonotonicModifier,
bool HasOrderedClause) {
256 OrderedSchedule, HasSimdModifier, HasMonotonicModifier,
257 HasNonmonotonicModifier, HasOrderedClause);
271 auto *Br = cast<BranchInst>(Term);
272 assert(!Br->isConditional() &&
273 "BB's terminator must be an unconditional branch (or degenerate)");
276 Br->setSuccessor(0,
Target);
281 NewBr->setDebugLoc(
DL);
286 assert(New->getFirstInsertionPt() == New->begin() &&
287 "Target BB must not have PHI nodes");
291 New->splice(New->begin(), Old, IP.
getPoint(), Old->
end());
319 New->replaceSuccessorsPhiUsesWith(Old, New);
362 std::stack<Instruction *> &ToBeDeleted,
364 const Twine &
Name =
"",
bool AsPtr =
true) {
369 ToBeDeleted.push(FakeValAddr);
372 FakeVal = FakeValAddr;
376 ToBeDeleted.push(FakeVal);
389 ToBeDeleted.push(UseFakeVal);
400enum OpenMPOffloadingRequiresDirFlags {
402 OMP_REQ_UNDEFINED = 0x000,
404 OMP_REQ_NONE = 0x001,
406 OMP_REQ_REVERSE_OFFLOAD = 0x002,
408 OMP_REQ_UNIFIED_ADDRESS = 0x004,
410 OMP_REQ_UNIFIED_SHARED_MEMORY = 0x008,
412 OMP_REQ_DYNAMIC_ALLOCATORS = 0x010,
419 : RequiresFlags(OMP_REQ_UNDEFINED) {}
422 bool IsTargetDevice,
bool IsGPU,
bool OpenMPOffloadMandatory,
423 bool HasRequiresReverseOffload,
bool HasRequiresUnifiedAddress,
424 bool HasRequiresUnifiedSharedMemory,
bool HasRequiresDynamicAllocators)
425 : IsTargetDevice(IsTargetDevice), IsGPU(IsGPU),
426 OpenMPOffloadMandatory(OpenMPOffloadMandatory),
427 RequiresFlags(OMP_REQ_UNDEFINED) {
428 if (HasRequiresReverseOffload)
429 RequiresFlags |= OMP_REQ_REVERSE_OFFLOAD;
430 if (HasRequiresUnifiedAddress)
431 RequiresFlags |= OMP_REQ_UNIFIED_ADDRESS;
432 if (HasRequiresUnifiedSharedMemory)
433 RequiresFlags |= OMP_REQ_UNIFIED_SHARED_MEMORY;
434 if (HasRequiresDynamicAllocators)
435 RequiresFlags |= OMP_REQ_DYNAMIC_ALLOCATORS;
439 return RequiresFlags & OMP_REQ_REVERSE_OFFLOAD;
443 return RequiresFlags & OMP_REQ_UNIFIED_ADDRESS;
447 return RequiresFlags & OMP_REQ_UNIFIED_SHARED_MEMORY;
451 return RequiresFlags & OMP_REQ_DYNAMIC_ALLOCATORS;
456 :
static_cast<int64_t
>(OMP_REQ_NONE);
461 RequiresFlags |= OMP_REQ_REVERSE_OFFLOAD;
463 RequiresFlags &= ~OMP_REQ_REVERSE_OFFLOAD;
468 RequiresFlags |= OMP_REQ_UNIFIED_ADDRESS;
470 RequiresFlags &= ~OMP_REQ_UNIFIED_ADDRESS;
475 RequiresFlags |= OMP_REQ_UNIFIED_SHARED_MEMORY;
477 RequiresFlags &= ~OMP_REQ_UNIFIED_SHARED_MEMORY;
482 RequiresFlags |= OMP_REQ_DYNAMIC_ALLOCATORS;
484 RequiresFlags &= ~OMP_REQ_DYNAMIC_ALLOCATORS;
502 Value *NumThreads3D =
505 ArgsVector = {Version,
525 auto FnAttrs = Attrs.getFnAttrs();
526 auto RetAttrs = Attrs.getRetAttrs();
528 for (
size_t ArgNo = 0; ArgNo < Fn.
arg_size(); ++ArgNo)
533 bool Param =
true) ->
void {
534 bool HasSignExt = AS.hasAttribute(Attribute::SExt);
535 bool HasZeroExt = AS.hasAttribute(Attribute::ZExt);
536 if (HasSignExt || HasZeroExt) {
537 assert(AS.getNumAttributes() == 1 &&
538 "Currently not handling extension attr combined with others.");
540 if (
auto AK = TargetLibraryInfo::getExtAttrForI32Param(
T, HasSignExt))
543 TargetLibraryInfo::getExtAttrForI32Return(
T, HasSignExt))
550#define OMP_ATTRS_SET(VarName, AttrSet) AttributeSet VarName = AttrSet;
551#include "llvm/Frontend/OpenMP/OMPKinds.def"
555#define OMP_RTL_ATTRS(Enum, FnAttrSet, RetAttrSet, ArgAttrSets) \
557 FnAttrs = FnAttrs.addAttributes(Ctx, FnAttrSet); \
558 addAttrSet(RetAttrs, RetAttrSet, false); \
559 for (size_t ArgNo = 0; ArgNo < ArgAttrSets.size(); ++ArgNo) \
560 addAttrSet(ArgAttrs[ArgNo], ArgAttrSets[ArgNo]); \
561 Fn.setAttributes(AttributeList::get(Ctx, FnAttrs, RetAttrs, ArgAttrs)); \
563#include "llvm/Frontend/OpenMP/OMPKinds.def"
577#define OMP_RTL(Enum, Str, IsVarArg, ReturnType, ...) \
579 FnTy = FunctionType::get(ReturnType, ArrayRef<Type *>{__VA_ARGS__}, \
581 Fn = M.getFunction(Str); \
583#include "llvm/Frontend/OpenMP/OMPKinds.def"
589#define OMP_RTL(Enum, Str, ...) \
591 Fn = Function::Create(FnTy, GlobalValue::ExternalLinkage, Str, M); \
593#include "llvm/Frontend/OpenMP/OMPKinds.def"
597 if (FnID == OMPRTL___kmpc_fork_call || FnID == OMPRTL___kmpc_fork_teams) {
607 LLVMContext::MD_callback,
609 2, {-1, -1},
true)}));
622 assert(Fn &&
"Failed to create OpenMP runtime function");
629 auto *Fn = dyn_cast<llvm::Function>(RTLFn.
getCallee());
630 assert(Fn &&
"Failed to create OpenMP runtime function pointer");
645 for (
auto Inst =
Block->getReverseIterator()->begin();
646 Inst !=
Block->getReverseIterator()->end();) {
647 if (
auto *
AllocaInst = dyn_cast_if_present<llvm::AllocaInst>(Inst)) {
671 ParallelRegionBlockSet.
clear();
673 OI.collectBlocks(ParallelRegionBlockSet,
Blocks);
692 ".omp_par", ArgsInZeroAddressSpace);
696 <<
" Exit: " << OI.ExitBB->getName() <<
"\n");
698 "Expected OpenMP outlining to be possible!");
700 for (
auto *V : OI.ExcludeArgsFromAggregate)
707 if (TargetCpuAttr.isStringAttribute())
710 auto TargetFeaturesAttr = OuterFn->
getFnAttribute(
"target-features");
711 if (TargetFeaturesAttr.isStringAttribute())
712 OutlinedFn->
addFnAttr(TargetFeaturesAttr);
715 LLVM_DEBUG(
dbgs() <<
" Outlined function: " << *OutlinedFn <<
"\n");
717 "OpenMP outlined functions should not return a value!");
729 assert(OI.EntryBB->getUniquePredecessor() == &ArtificialEntry);
736 "Expected instructions to add in the outlined region entry");
743 if (
I.isTerminator())
746 I.moveBeforePreserving(*OI.EntryBB, OI.EntryBB->getFirstInsertionPt());
749 OI.EntryBB->moveBefore(&ArtificialEntry);
756 if (OI.PostOutlineCB)
757 OI.PostOutlineCB(*OutlinedFn);
788 errs() <<
"Error of kind: " << Kind
789 <<
" when emitting offload entries and metadata during "
790 "OMPIRBuilder finalization \n";
815 unsigned Reserve2Flags) {
817 LocFlags |= OMP_IDENT_FLAG_KMPC;
825 ConstantInt::get(
Int32, Reserve2Flags),
826 ConstantInt::get(
Int32, SrcLocStrSize), SrcLocStr};
833 if (
GV.getValueType() == OpenMPIRBuilder::Ident &&
GV.hasInitializer())
834 if (
GV.getInitializer() == Initializer)
839 M, OpenMPIRBuilder::Ident,
854 SrcLocStrSize = LocStr.
size();
863 if (
GV.isConstant() &&
GV.hasInitializer() &&
864 GV.getInitializer() == Initializer)
875 unsigned Line,
unsigned Column,
881 Buffer.
append(FunctionName);
883 Buffer.
append(std::to_string(Line));
885 Buffer.
append(std::to_string(Column));
893 StringRef UnknownLoc =
";unknown;unknown;0;0;;";
904 if (
DIFile *DIF = DIL->getFile())
905 if (std::optional<StringRef> Source = DIF->getSource())
911 DIL->getColumn(), SrcLocStrSize);
923 "omp_global_thread_num");
928 bool ForceSimpleCall,
bool CheckCancelFlag) {
936 bool ForceSimpleCall,
bool CheckCancelFlag) {
943 BarrierLocFlags = OMP_IDENT_FLAG_BARRIER_IMPL_FOR;
946 BarrierLocFlags = OMP_IDENT_FLAG_BARRIER_IMPL_SECTIONS;
949 BarrierLocFlags = OMP_IDENT_FLAG_BARRIER_IMPL_SINGLE;
952 BarrierLocFlags = OMP_IDENT_FLAG_BARRIER_EXPL;
955 BarrierLocFlags = OMP_IDENT_FLAG_BARRIER_IMPL;
968 bool UseCancelBarrier =
973 UseCancelBarrier ? OMPRTL___kmpc_cancel_barrier
974 : OMPRTL___kmpc_barrier),
977 if (UseCancelBarrier && CheckCancelFlag)
986 omp::Directive CanceledDirective) {
998 Value *CancelKind =
nullptr;
999 switch (CanceledDirective) {
1000#define OMP_CANCEL_KIND(Enum, Str, DirectiveEnum, Value) \
1001 case DirectiveEnum: \
1002 CancelKind = Builder.getInt32(Value); \
1004#include "llvm/Frontend/OpenMP/OMPKinds.def"
1015 auto ExitCB = [
this, CanceledDirective, Loc](
InsertPointTy IP) {
1016 if (CanceledDirective == OMPD_parallel) {
1020 omp::Directive::OMPD_unknown,
false,
1030 UI->eraseFromParent();
1043 auto *KernelArgsPtr =
1056 NumThreads, HostPtr, KernelArgsPtr};
1084 assert(OutlinedFnID &&
"Invalid outlined function ID!");
1088 Value *Return =
nullptr;
1108 Args.NumTeams, Args.NumThreads,
1109 OutlinedFnID, ArgsVector));
1122 emitBlock(OffloadContBlock, CurFn,
true);
1127 omp::Directive CanceledDirective,
1130 "Unexpected cancellation!");
1180 OutlinedFn.
addFnAttr(Attribute::NoUnwind);
1183 "Expected at least tid and bounded tid as arguments");
1184 unsigned NumCapturedVars = OutlinedFn.
arg_size() - 2;
1187 assert(CI &&
"Expected call instruction to outlined function");
1191 Type *PtrTy = OMPIRBuilder->VoidPtr;
1195 OpenMPIRBuilder ::InsertPointTy CurrentIP = Builder.
saveIP();
1199 Value *Args = ArgsAlloca;
1207 for (
unsigned Idx = 0;
Idx < NumCapturedVars;
Idx++) {
1219 Value *Parallel51CallArgs[] = {
1223 NumThreads ? NumThreads : Builder.
getInt32(-1),
1226 Builder.
CreateBitCast(&OutlinedFn, OMPIRBuilder->ParallelTaskPtr),
1229 Builder.
getInt64(NumCapturedVars)};
1234 Builder.
CreateCall(RTLFn, Parallel51CallArgs);
1249 I->eraseFromParent();
1271 if (
auto *
F = dyn_cast<Function>(RTLFn.
getCallee())) {
1272 if (!
F->hasMetadata(LLVMContext::MD_callback)) {
1280 F->addMetadata(LLVMContext::MD_callback,
1289 OutlinedFn.
addFnAttr(Attribute::NoUnwind);
1292 "Expected at least tid and bounded tid as arguments");
1293 unsigned NumCapturedVars = OutlinedFn.
arg_size() - 2;
1300 Value *ForkCallArgs[] = {
1301 Ident, Builder.
getInt32(NumCapturedVars),
1302 Builder.
CreateBitCast(&OutlinedFn, OMPIRBuilder->ParallelTaskPtr)};
1305 RealArgs.
append(std::begin(ForkCallArgs), std::end(ForkCallArgs));
1314 auto PtrTy = OMPIRBuilder->VoidPtr;
1315 if (IfCondition && NumCapturedVars == 0) {
1319 if (IfCondition && RealArgs.
back()->getType() != PtrTy)
1337 I->eraseFromParent();
1345 omp::ProcBindKind ProcBind,
bool IsCancellable) {
1372 if (ProcBind != OMP_PROC_BIND_default) {
1376 ConstantInt::get(
Int32,
unsigned(ProcBind),
true)};
1403 TIDAddrAlloca, PointerType ::get(
M.
getContext(), 0),
"tid.addr.ascast");
1408 "zero.addr.ascast");
1432 if (IP.getBlock()->end() == IP.getPoint()) {
1438 assert(IP.getBlock()->getTerminator()->getNumSuccessors() == 1 &&
1439 IP.getBlock()->getTerminator()->getSuccessor(0) == PRegExitBB &&
1440 "Unexpected insertion point for finalization call!");
1476 LLVM_DEBUG(
dbgs() <<
"Before body codegen: " << *OuterFn <<
"\n");
1479 assert(BodyGenCB &&
"Expected body generation callback!");
1481 BodyGenCB(InnerAllocaIP, CodeGenIP);
1483 LLVM_DEBUG(
dbgs() <<
"After body codegen: " << *OuterFn <<
"\n");
1489 std::move(ToBeDeleted)](
Function &OutlinedFn) {
1491 IfCondition, NumThreads, PrivTID, PrivTIDAddr,
1492 ThreadID, ToBeDeletedVec);
1497 std::move(ToBeDeleted)](
Function &OutlinedFn) {
1499 PrivTID, PrivTIDAddr, ToBeDeletedVec);
1508 assert(FiniInfo.DK == OMPD_parallel &&
1509 "Unexpected finalization stack state!");
1529 PRegOutlinedExitBB->
setName(
"omp.par.outlined.exit");
1530 Blocks.push_back(PRegOutlinedExitBB);
1541 ".omp_par", ArgsInZeroAddressSpace);
1546 Extractor.
findAllocas(CEAC, SinkingCands, HoistingCands, CommonExit);
1549 LLVM_DEBUG(
dbgs() <<
"Before privatization: " << *OuterFn <<
"\n");
1554 auto PrivHelper = [&](
Value &V) {
1555 if (&V == TIDAddr || &V == ZeroAddr) {
1561 for (
Use &U : V.uses())
1562 if (
auto *UserI = dyn_cast<Instruction>(U.getUser()))
1563 if (ParallelRegionBlockSet.
count(UserI->getParent()))
1573 if (!V.getType()->isPointerTy()) {
1592 Value *ReplacementValue =
nullptr;
1593 CallInst *CI = dyn_cast<CallInst>(&V);
1595 ReplacementValue = PrivTID;
1598 PrivCB(InnerAllocaIP,
Builder.
saveIP(), V, *Inner, ReplacementValue));
1599 assert(ReplacementValue &&
1600 "Expected copy/create callback to set replacement value!");
1601 if (ReplacementValue == &V)
1606 UPtr->set(ReplacementValue);
1623 for (
Value *Input : Inputs) {
1628 for (
Value *Output : Outputs)
1632 "OpenMP outlining should not produce live-out values!");
1634 LLVM_DEBUG(
dbgs() <<
"After privatization: " << *OuterFn <<
"\n");
1637 dbgs() <<
" PBR: " << BB->getName() <<
"\n";
1643 InsertPointTy AfterIP(UI->getParent(), UI->getParent()->end());
1644 UI->eraseFromParent();
1737 BodyGenCB(TaskAllocaIP, TaskBodyIP);
1745 std::stack<Instruction *> ToBeDeleted;
1747 Builder, AllocaIP, ToBeDeleted, TaskAllocaIP,
"global.tid",
false));
1749 OI.
PostOutlineCB = [
this, Ident, Tied, Final, IfCondition, Dependencies,
1750 TaskAllocaBB, ToBeDeleted](
Function &OutlinedFn)
mutable {
1752 assert(OutlinedFn.getNumUses() == 1 &&
1753 "there must be a single user for the outlined function");
1754 CallInst *StaleCI = cast<CallInst>(OutlinedFn.user_back());
1758 bool HasShareds = StaleCI->
arg_size() > 1;
1797 assert(ArgStructAlloca &&
1798 "Unable to find the alloca instruction corresponding to arguments "
1799 "for extracted function");
1802 assert(ArgStructType &&
"Unable to find struct type corresponding to "
1803 "arguments for extracted function");
1811 TaskAllocFn, {Ident, ThreadID,
Flags,
1812 TaskSize, SharedsSize,
1824 Value *DepArray =
nullptr;
1825 if (Dependencies.
size()) {
1840 static_cast<unsigned int>(RTLDependInfoFields::BaseAddr));
1847 static_cast<unsigned int>(RTLDependInfoFields::Len));
1854 static_cast<unsigned int>(RTLDependInfoFields::Flags));
1857 static_cast<unsigned int>(Dep.DepKind)),
1885 Instruction *ThenTI = IfTerminator, *ElseTI =
nullptr;
1905 if (Dependencies.
size()) {
1926 Shareds, [Shareds](
Use &U) {
return U.getUser() != Shareds; });
1929 while (!ToBeDeleted.empty()) {
1930 ToBeDeleted.top()->eraseFromParent();
1980 if (IP.getBlock()->end() != IP.getPoint())
1991 auto *CaseBB = IP.getBlock()->getSinglePredecessor();
1992 auto *CondBB = CaseBB->getSinglePredecessor()->getSinglePredecessor();
1993 auto *ExitBB = CondBB->getTerminator()->getSuccessor(1);
2024 unsigned CaseNumber = 0;
2025 for (
auto SectionCB : SectionCBs) {
2041 Value *LB = ConstantInt::get(I32Ty, 0);
2042 Value *UB = ConstantInt::get(I32Ty, SectionCBs.
size());
2043 Value *ST = ConstantInt::get(I32Ty, 1);
2045 Loc, LoopBodyGenCB, LB, UB, ST,
true,
false, AllocaIP,
"section_loop");
2047 applyStaticWorkshareLoop(Loc.
DL,
LoopInfo, AllocaIP, !IsNowait);
2051 assert(FiniInfo.DK == OMPD_sections &&
2052 "Unexpected finalization stack state!");
2058 AfterIP = {FiniBB, FiniBB->
begin()};
2072 if (IP.getBlock()->end() != IP.getPoint())
2091 Directive OMPD = Directive::OMPD_sections;
2094 return EmitOMPInlinedRegion(OMPD,
nullptr,
nullptr, BodyGenCB, FiniCBWrapper,
2107 M.getDataLayout().getDefaultGlobalsAddressSpace(),
2108 ".omp.reduction.func", &M);
2116 assert(RI.Variable &&
"expected non-null variable");
2117 assert(RI.PrivateVariable &&
"expected non-null private variable");
2118 assert(RI.ReductionGen &&
"expected non-null reduction generator callback");
2119 assert(RI.Variable->getType() == RI.PrivateVariable->getType() &&
2120 "expected variables and their private equivalents to have the same "
2122 assert(RI.Variable->getType()->isPointerTy() &&
2123 "expected variables to be pointers");
2136 unsigned NumReductions = ReductionInfos.
size();
2143 for (
auto En :
enumerate(ReductionInfos)) {
2144 unsigned Index = En.index();
2157 bool CanGenerateAtomic =
2163 ? IdentFlag::OMP_IDENT_FLAG_ATOMIC_REDUCE
2168 unsigned RedArrayByteSize =
DL.getTypeStoreSize(RedArrayTy);
2171 Value *Lock = getOMPCriticalRegionLock(
".reduction");
2173 IsNoWait ? RuntimeFunction::OMPRTL___kmpc_reduce_nowait
2174 : RuntimeFunction::OMPRTL___kmpc_reduce);
2177 {Ident, ThreadId, NumVariables, RedArraySize, RedArray,
2178 ReductionFunc, Lock},
2197 for (
auto En :
enumerate(ReductionInfos)) {
2202 Value *RedValue =
nullptr;
2205 "red.value." +
Twine(En.index()));
2207 Value *PrivateRedValue =
2209 "red.private.value." +
Twine(En.index()));
2213 PrivateRedValue, Reduced));
2216 PrivateRedValue, Reduced));
2225 IsNoWait ? RuntimeFunction::OMPRTL___kmpc_end_reduce_nowait
2226 : RuntimeFunction::OMPRTL___kmpc_end_reduce);
2234 if (CanGenerateAtomic && !IsByRef) {
2255 for (
auto En :
enumerate(ReductionInfos)) {
2258 RedArrayTy, LHSArrayPtr, 0, En.index());
2263 RedArrayTy, RHSArrayPtr, 0, En.index());
2290 Directive OMPD = Directive::OMPD_master;
2295 Value *Args[] = {Ident, ThreadId};
2303 return EmitOMPInlinedRegion(OMPD, EntryCall, ExitCall, BodyGenCB, FiniCB,
2314 Directive OMPD = Directive::OMPD_masked;
2320 Value *ArgsEnd[] = {Ident, ThreadId};
2328 return EmitOMPInlinedRegion(OMPD, EntryCall, ExitCall, BodyGenCB, FiniCB,
2363 IndVarPHI->
addIncoming(ConstantInt::get(IndVarTy, 0), Preheader);
2376 "omp_" +
Name +
".next",
true);
2387 CL->Header = Header;
2406 NextBB, NextBB,
Name);
2430 Value *Start,
Value *Stop,
Value *Step,
bool IsSigned,
bool InclusiveStop,
2440 auto *IndVarTy = cast<IntegerType>(Start->getType());
2441 assert(IndVarTy == Stop->
getType() &&
"Stop type mismatch");
2442 assert(IndVarTy == Step->
getType() &&
"Step type mismatch");
2448 ConstantInt *Zero = ConstantInt::get(IndVarTy, 0);
2476 Value *CountIfLooping;
2477 if (InclusiveStop) {
2487 "omp_" +
Name +
".tripcount");
2508 M, omp::RuntimeFunction::OMPRTL___kmpc_for_static_init_4u);
2511 M, omp::RuntimeFunction::OMPRTL___kmpc_for_static_init_8u);
2517 InsertPointTy AllocaIP,
2518 bool NeedsBarrier) {
2519 assert(CLI->
isValid() &&
"Requires a valid canonical loop");
2521 "Require dedicated allocate IP");
2533 Type *IVTy =
IV->getType();
2552 Constant *One = ConstantInt::get(IVTy, 1);
2560 Constant *SchedulingType = ConstantInt::get(
2561 I32Type,
static_cast<int>(OMPScheduleType::UnorderedStatic));
2566 {SrcLoc, ThreadNum, SchedulingType, PLastIter, PLowerBound,
2567 PUpperBound, PStride, One,
Zero});
2572 CLI->setTripCount(TripCount);
2593 omp::Directive::OMPD_for,
false,
2604 bool NeedsBarrier,
Value *ChunkSize) {
2605 assert(CLI->
isValid() &&
"Requires a valid canonical loop");
2606 assert(ChunkSize &&
"Chunk size is required");
2611 Type *IVTy =
IV->getType();
2613 "Max supported tripcount bitwidth is 64 bits");
2615 :
Type::getInt64Ty(Ctx);
2618 Constant *One = ConstantInt::get(InternalIVTy, 1);
2630 Value *PLowerBound =
2632 Value *PUpperBound =
2641 Value *CastedChunkSize =
2643 Value *CastedTripCount =
2646 Constant *SchedulingType = ConstantInt::get(
2647 I32Type,
static_cast<int>(OMPScheduleType::UnorderedStaticChunked));
2661 SchedulingType, PLastIter,
2662 PLowerBound, PUpperBound,
2667 Value *FirstChunkStart =
2669 Value *FirstChunkStop =
2674 Value *NextChunkStride =
2679 Value *DispatchCounter;
2683 FirstChunkStart, CastedTripCount, NextChunkStride,
2707 Value *IsLastChunk =
2709 Value *CountUntilOrigTripCount =
2712 IsLastChunk, CountUntilOrigTripCount, ChunkRange,
"omp_chunk.tripcount");
2713 Value *BackcastedChunkTC =
2715 CLI->setTripCount(BackcastedChunkTC);
2720 Value *BackcastedDispatchCounter =
2754 case WorksharingLoopType::ForStaticLoop:
2757 M, omp::RuntimeFunction::OMPRTL___kmpc_for_static_loop_4u);
2760 M, omp::RuntimeFunction::OMPRTL___kmpc_for_static_loop_8u);
2762 case WorksharingLoopType::DistributeStaticLoop:
2765 M, omp::RuntimeFunction::OMPRTL___kmpc_distribute_static_loop_4u);
2768 M, omp::RuntimeFunction::OMPRTL___kmpc_distribute_static_loop_8u);
2770 case WorksharingLoopType::DistributeForStaticLoop:
2773 M, omp::RuntimeFunction::OMPRTL___kmpc_distribute_for_static_loop_4u);
2776 M, omp::RuntimeFunction::OMPRTL___kmpc_distribute_for_static_loop_8u);
2779 if (Bitwidth != 32 && Bitwidth != 64) {
2801 if (LoopType == WorksharingLoopType::DistributeStaticLoop) {
2802 RealArgs.
push_back(ConstantInt::get(TripCountTy, 0));
2807 M, omp::RuntimeFunction::OMPRTL_omp_get_num_threads);
2808 Builder.
restoreIP({InsertBlock, std::prev(InsertBlock->
end())});
2813 RealArgs.
push_back(ConstantInt::get(TripCountTy, 0));
2814 if (LoopType == WorksharingLoopType::DistributeForStaticLoop) {
2815 RealArgs.
push_back(ConstantInt::get(TripCountTy, 0));
2851 CleanUpInfo.
collectBlocks(RegionBlockSet, BlocksToBeRemoved);
2859 "Expected unique undroppable user of outlined function");
2860 CallInst *OutlinedFnCallInstruction = dyn_cast<CallInst>(OutlinedFnUser);
2861 assert(OutlinedFnCallInstruction &&
"Expected outlined function call");
2863 "Expected outlined function call to be located in loop preheader");
2865 if (OutlinedFnCallInstruction->
arg_size() > 1)
2872 LoopBodyArg, ParallelTaskPtr, TripCount,
2875 for (
auto &ToBeDeletedItem : ToBeDeleted)
2876 ToBeDeletedItem->eraseFromParent();
2882 InsertPointTy AllocaIP,
2895 OI.OuterAllocaBB = AllocaIP.getBlock();
2900 "omp.prelatch",
true);
2920 OI.collectBlocks(ParallelRegionBlockSet,
Blocks);
2922 ParallelRegionBlockSet.
end());
2942 Extractor.findAllocas(CEAC, SinkingCands, HoistingCands, CommonExit);
2951 if (ParallelRegionBlockSet.
count(Inst->getParent())) {
2952 Inst->replaceUsesOfWith(CLI->
getIndVar(), NewLoopCntLoad);
2958 OI.ExcludeArgsFromAggregate.push_back(NewLoopCntLoad);
2965 OI.PostOutlineCB = [=, ToBeDeletedVec =
2966 std::move(ToBeDeleted)](
Function &OutlinedFn) {
2968 ToBeDeletedVec, LoopType);
2976 bool NeedsBarrier, omp::ScheduleKind SchedKind,
Value *ChunkSize,
2977 bool HasSimdModifier,
bool HasMonotonicModifier,
2978 bool HasNonmonotonicModifier,
bool HasOrderedClause,
2981 return applyWorkshareLoopTarget(
DL, CLI, AllocaIP, LoopType);
2983 SchedKind, ChunkSize, HasSimdModifier, HasMonotonicModifier,
2984 HasNonmonotonicModifier, HasOrderedClause);
2986 bool IsOrdered = (EffectiveScheduleType & OMPScheduleType::ModifierOrdered) ==
2987 OMPScheduleType::ModifierOrdered;
2988 switch (EffectiveScheduleType & ~OMPScheduleType::ModifierMask) {
2989 case OMPScheduleType::BaseStatic:
2990 assert(!ChunkSize &&
"No chunk size with static-chunked schedule");
2992 return applyDynamicWorkshareLoop(
DL, CLI, AllocaIP, EffectiveScheduleType,
2993 NeedsBarrier, ChunkSize);
2995 return applyStaticWorkshareLoop(
DL, CLI, AllocaIP, NeedsBarrier);
2997 case OMPScheduleType::BaseStaticChunked:
2999 return applyDynamicWorkshareLoop(
DL, CLI, AllocaIP, EffectiveScheduleType,
3000 NeedsBarrier, ChunkSize);
3002 return applyStaticChunkedWorkshareLoop(
DL, CLI, AllocaIP, NeedsBarrier,
3005 case OMPScheduleType::BaseRuntime:
3006 case OMPScheduleType::BaseAuto:
3007 case OMPScheduleType::BaseGreedy:
3008 case OMPScheduleType::BaseBalanced:
3009 case OMPScheduleType::BaseSteal:
3010 case OMPScheduleType::BaseGuidedSimd:
3011 case OMPScheduleType::BaseRuntimeSimd:
3013 "schedule type does not support user-defined chunk sizes");
3015 case OMPScheduleType::BaseDynamicChunked:
3016 case OMPScheduleType::BaseGuidedChunked:
3017 case OMPScheduleType::BaseGuidedIterativeChunked:
3018 case OMPScheduleType::BaseGuidedAnalyticalChunked:
3019 case OMPScheduleType::BaseStaticBalancedChunked:
3020 return applyDynamicWorkshareLoop(
DL, CLI, AllocaIP, EffectiveScheduleType,
3021 NeedsBarrier, ChunkSize);
3037 M, omp::RuntimeFunction::OMPRTL___kmpc_dispatch_init_4u);
3040 M, omp::RuntimeFunction::OMPRTL___kmpc_dispatch_init_8u);
3053 M, omp::RuntimeFunction::OMPRTL___kmpc_dispatch_next_4u);
3056 M, omp::RuntimeFunction::OMPRTL___kmpc_dispatch_next_8u);
3068 M, omp::RuntimeFunction::OMPRTL___kmpc_dispatch_fini_4u);
3071 M, omp::RuntimeFunction::OMPRTL___kmpc_dispatch_fini_8u);
3078 assert(CLI->
isValid() &&
"Requires a valid canonical loop");
3080 "Require dedicated allocate IP");
3082 "Require valid schedule type");
3084 bool Ordered = (SchedType & OMPScheduleType::ModifierOrdered) ==
3085 OMPScheduleType::ModifierOrdered;
3096 Type *IVTy =
IV->getType();
3114 Constant *One = ConstantInt::get(IVTy, 1);
3135 ConstantInt::get(I32Type,
static_cast<int>(SchedType));
3139 {SrcLoc, ThreadNum, SchedulingType, One,
3140 UpperBound, One, Chunk});
3150 PLowerBound, PUpperBound, PStride});
3151 Constant *Zero32 = ConstantInt::get(I32Type, 0);
3160 auto *PI = cast<PHINode>(Phi);
3161 PI->setIncomingBlock(0, OuterCond);
3162 PI->setIncomingValue(0, LowerBound);
3166 auto *Br = cast<BranchInst>(Term);
3167 Br->setSuccessor(0, OuterCond);
3175 auto *CI = cast<CmpInst>(Comp);
3176 CI->setOperand(1, UpperBound);
3179 auto *BI = cast<BranchInst>(Branch);
3180 assert(BI->getSuccessor(1) == Exit);
3181 BI->setSuccessor(1, OuterCond);
3194 omp::Directive::OMPD_for,
false,
3214 auto HasRemainingUses = [&BBsToErase](
BasicBlock *BB) {
3215 for (
Use &U : BB->uses()) {
3216 auto *UseInst = dyn_cast<Instruction>(U.getUser());
3219 if (BBsToErase.count(UseInst->getParent()))
3227 bool Changed =
false;
3229 if (HasRemainingUses(BB)) {
3230 BBsToErase.erase(BB);
3245 assert(
Loops.size() >= 1 &&
"At least one loop required");
3246 size_t NumLoops =
Loops.size();
3250 return Loops.front();
3262 Loop->collectControlBlocks(OldControlBBs);
3266 if (ComputeIP.
isSet())
3273 Value *CollapsedTripCount =
nullptr;
3276 "All loops to collapse must be valid canonical loops");
3277 Value *OrigTripCount = L->getTripCount();
3278 if (!CollapsedTripCount) {
3279 CollapsedTripCount = OrigTripCount;
3291 OrigPreheader->
getNextNode(), OrigAfter,
"collapsed");
3299 Value *Leftover = Result->getIndVar();
3301 NewIndVars.
resize(NumLoops);
3302 for (
int i = NumLoops - 1; i >= 1; --i) {
3303 Value *OrigTripCount =
Loops[i]->getTripCount();
3306 NewIndVars[i] = NewIndVar;
3311 NewIndVars[0] = Leftover;
3320 BasicBlock *ContinueBlock = Result->getBody();
3322 auto ContinueWith = [&ContinueBlock, &ContinuePred,
DL](
BasicBlock *Dest,
3329 ContinueBlock =
nullptr;
3330 ContinuePred = NextSrc;
3337 for (
size_t i = 0; i < NumLoops - 1; ++i)
3338 ContinueWith(
Loops[i]->getBody(),
Loops[i + 1]->getHeader());
3344 for (
size_t i = NumLoops - 1; i > 0; --i)
3345 ContinueWith(
Loops[i]->getAfter(),
Loops[i - 1]->getLatch());
3348 ContinueWith(Result->getLatch(),
nullptr);
3355 for (
size_t i = 0; i < NumLoops; ++i)
3356 Loops[i]->getIndVar()->replaceAllUsesWith(NewIndVars[i]);
3370std::vector<CanonicalLoopInfo *>
3374 "Must pass as many tile sizes as there are loops");
3375 int NumLoops =
Loops.size();
3376 assert(NumLoops >= 1 &&
"At least one loop to tile required");
3388 Loop->collectControlBlocks(OldControlBBs);
3396 assert(L->isValid() &&
"All input loops must be valid canonical loops");
3397 OrigTripCounts.
push_back(L->getTripCount());
3408 for (
int i = 0; i < NumLoops - 1; ++i) {
3421 for (
int i = 0; i < NumLoops; ++i) {
3423 Value *OrigTripCount = OrigTripCounts[i];
3436 Value *FloorTripOverflow =
3442 "omp_floor" +
Twine(i) +
".tripcount",
true);
3450 std::vector<CanonicalLoopInfo *> Result;
3451 Result.reserve(NumLoops * 2);
3464 auto EmbeddNewLoop =
3465 [
this,
DL,
F, InnerEnter, &Enter, &
Continue, &OutroInsertBefore](
3468 DL, TripCount,
F, InnerEnter, OutroInsertBefore,
Name);
3473 Enter = EmbeddedLoop->
getBody();
3475 OutroInsertBefore = EmbeddedLoop->
getLatch();
3476 return EmbeddedLoop;
3480 const Twine &NameBase) {
3483 EmbeddNewLoop(
P.value(), NameBase +
Twine(
P.index()));
3484 Result.push_back(EmbeddedLoop);
3488 EmbeddNewLoops(FloorCount,
"floor");
3494 for (
int i = 0; i < NumLoops; ++i) {
3498 Value *FloorIsEpilogue =
3500 Value *TileTripCount =
3507 EmbeddNewLoops(TileCounts,
"tile");
3512 for (std::pair<BasicBlock *, BasicBlock *>
P : InbetweenCode) {
3521 BodyEnter =
nullptr;
3522 BodyEntered = ExitBB;
3535 for (
int i = 0; i < NumLoops; ++i) {
3538 Value *OrigIndVar = OrigIndVars[i];
3566 if (Properties.
empty())
3589 assert(
Loop->isValid() &&
"Expecting a valid CanonicalLoopInfo");
3593 assert(Latch &&
"A valid CanonicalLoopInfo must have a unique latch");
3601 if (
I.mayReadOrWriteMemory()) {
3605 I.setMetadata(LLVMContext::MD_access_group, AccessGroup);
3627 const Twine &NamePrefix) {
3633 SplitBefore = dyn_cast<Instruction>(IfCond);
3679 VMap[
Block] = NewBB;
3689 if (TargetTriple.
isX86()) {
3690 if (Features.
lookup(
"avx512f"))
3692 else if (Features.
lookup(
"avx"))
3696 if (TargetTriple.
isPPC())
3698 if (TargetTriple.
isWasm())
3705 Value *IfCond, OrderKind Order,
3724 if (AlignedVars.
size()) {
3727 for (
auto &AlignedItem : AlignedVars) {
3728 Value *AlignedPtr = AlignedItem.first;
3729 Value *Alignment = AlignedItem.second;
3731 AlignedPtr, Alignment);
3738 createIfVersion(CanonicalLoop, IfCond, VMap,
"simd");
3742 "Cannot find value which corresponds to original loop latch");
3743 assert(isa<BasicBlock>(MappedLatch) &&
3744 "Cannot cast mapped latch block value to BasicBlock");
3745 BasicBlock *NewLatchBlock = dyn_cast<BasicBlock>(MappedLatch);
3774 if ((Safelen ==
nullptr) || (Order == OrderKind::OMP_ORDER_concurrent)) {
3782 Ctx, {
MDString::get(Ctx,
"llvm.loop.parallel_accesses"), AccessGroup}));
3790 Ctx, {
MDString::get(Ctx,
"llvm.loop.vectorize.enable"), BoolConst}));
3792 if (Simdlen || Safelen) {
3796 ConstantInt *VectorizeWidth = Simdlen ==
nullptr ? Safelen : Simdlen;
3822static std::unique_ptr<TargetMachine>
3826 StringRef CPU =
F->getFnAttribute(
"target-cpu").getValueAsString();
3827 StringRef Features =
F->getFnAttribute(
"target-features").getValueAsString();
3828 const std::string &
Triple = M->getTargetTriple();
3838 std::nullopt, OptLevel));
3862 [&](
const Function &
F) {
return TM->getTargetTransformInfo(
F); });
3877 assert(L &&
"Expecting CanonicalLoopInfo to be recognized as a loop");
3882 nullptr, ORE,
static_cast<int>(OptLevel),
3903 <<
" Threshold=" << UP.
Threshold <<
"\n"
3906 <<
" PartialOptSizeThreshold="
3925 if (
auto *Load = dyn_cast<LoadInst>(&
I)) {
3926 Ptr = Load->getPointerOperand();
3927 }
else if (
auto *Store = dyn_cast<StoreInst>(&
I)) {
3928 Ptr = Store->getPointerOperand();
3932 Ptr =
Ptr->stripPointerCasts();
3934 if (
auto *Alloca = dyn_cast<AllocaInst>(
Ptr)) {
3935 if (Alloca->getParent() == &
F->getEntryBlock())
3955 int MaxTripCount = 0;
3956 bool MaxOrZero =
false;
3957 unsigned TripMultiple = 0;
3959 bool UseUpperBound =
false;
3961 MaxTripCount, MaxOrZero, TripMultiple, UCE, UP, PP,
3963 unsigned Factor = UP.
Count;
3964 LLVM_DEBUG(
dbgs() <<
"Suggesting unroll factor of " << Factor <<
"\n");
3975 assert(Factor >= 0 &&
"Unroll factor must not be negative");
3991 Ctx, {
MDString::get(Ctx,
"llvm.loop.unroll.count"), FactorConst}));
4004 *UnrolledCLI =
Loop;
4009 "unrolling only makes sense with a factor of 2 or larger");
4011 Type *IndVarTy =
Loop->getIndVarType();
4018 std::vector<CanonicalLoopInfo *>
LoopNest =
4033 Ctx, {
MDString::get(Ctx,
"llvm.loop.unroll.count"), FactorConst})});
4036 (*UnrolledCLI)->assertOK();
4054 Value *Args[] = {Ident, ThreadId, BufSize, CpyBuf, CpyFn, DidItLD};
4073 if (!CPVars.
empty()) {
4078 Directive OMPD = Directive::OMPD_single;
4083 Value *Args[] = {Ident, ThreadId};
4109 EmitOMPInlinedRegion(OMPD, EntryCall, ExitCall, BodyGenCB, FiniCBWrapper,
4114 for (
size_t I = 0, E = CPVars.
size();
I < E; ++
I)
4117 ConstantInt::get(
Int64, 0), CPVars[
I],
4120 }
else if (!IsNowait)
4122 omp::Directive::OMPD_unknown,
false,
4134 Directive OMPD = Directive::OMPD_critical;
4139 Value *LockVar = getOMPCriticalRegionLock(CriticalName);
4140 Value *Args[] = {Ident, ThreadId, LockVar};
4157 return EmitOMPInlinedRegion(OMPD, EntryCall, ExitCall, BodyGenCB, FiniCB,
4165 const Twine &
Name,
bool IsDependSource) {
4168 [](
Value *SV) {
return SV->
getType()->isIntegerTy(64); }) &&
4169 "OpenMP runtime requires depend vec with i64 type");
4182 for (
unsigned I = 0;
I < NumLoops; ++
I) {
4196 Value *Args[] = {Ident, ThreadId, DependBaseAddrGEP};
4214 Directive OMPD = Directive::OMPD_ordered;
4223 Value *Args[] = {Ident, ThreadId};
4233 return EmitOMPInlinedRegion(OMPD, EntryCall, ExitCall, BodyGenCB, FiniCB,
4239 BodyGenCallbackTy BodyGenCB, FinalizeCallbackTy FiniCB,
bool Conditional,
4240 bool HasFinalize,
bool IsCancellable) {
4249 if (!isa_and_nonnull<BranchInst>(SplitPos))
4256 emitCommonDirectiveEntry(OMPD, EntryCall, ExitBB, Conditional);
4266 "Unexpected control flow graph state!!");
4267 emitCommonDirectiveExit(OMPD, FinIP, ExitCall, HasFinalize);
4269 "Unexpected Control Flow State!");
4275 "Unexpected Insertion point location!");
4278 auto InsertBB = merged ? ExitPredBB : ExitBB;
4279 if (!isa_and_nonnull<BranchInst>(SplitPos))
4289 if (!Conditional || !EntryCall)
4309 UI->eraseFromParent();
4317 omp::Directive OMPD, InsertPointTy FinIP,
Instruction *ExitCall,
4325 "Unexpected finalization stack state!");
4328 assert(Fi.DK == OMPD &&
"Unexpected Directive for Finalization call!");
4378 if (isa_and_nonnull<BranchInst>(OMP_Entry->
getTerminator())) {
4380 "copyin.not.master.end");
4435 Value *DependenceAddress,
bool HaveNowaitClause) {
4443 if (Device ==
nullptr)
4444 Device = ConstantInt::get(
Int32, -1);
4445 Constant *InteropTypeVal = ConstantInt::get(
Int32, (
int)InteropType);
4446 if (NumDependences ==
nullptr) {
4447 NumDependences = ConstantInt::get(
Int32, 0);
4451 Value *HaveNowaitClauseVal = ConstantInt::get(
Int32, HaveNowaitClause);
4453 Ident, ThreadId, InteropVar, InteropTypeVal,
4454 Device, NumDependences, DependenceAddress, HaveNowaitClauseVal};
4463 Value *NumDependences,
Value *DependenceAddress,
bool HaveNowaitClause) {
4471 if (Device ==
nullptr)
4472 Device = ConstantInt::get(
Int32, -1);
4473 if (NumDependences ==
nullptr) {
4474 NumDependences = ConstantInt::get(
Int32, 0);
4478 Value *HaveNowaitClauseVal = ConstantInt::get(
Int32, HaveNowaitClause);
4480 Ident, ThreadId, InteropVar, Device,
4481 NumDependences, DependenceAddress, HaveNowaitClauseVal};
4490 Value *NumDependences,
4491 Value *DependenceAddress,
4492 bool HaveNowaitClause) {
4499 if (Device ==
nullptr)
4500 Device = ConstantInt::get(
Int32, -1);
4501 if (NumDependences ==
nullptr) {
4502 NumDependences = ConstantInt::get(
Int32, 0);
4506 Value *HaveNowaitClauseVal = ConstantInt::get(
Int32, HaveNowaitClause);
4508 Ident, ThreadId, InteropVar, Device,
4509 NumDependences, DependenceAddress, HaveNowaitClauseVal};
4538 int32_t MinThreadsVal, int32_t MaxThreadsVal,
4539 int32_t MinTeamsVal, int32_t MaxTeamsVal) {
4556 if (MinTeamsVal > 1 || MaxTeamsVal > 0)
4560 if (MaxThreadsVal < 0)
4561 MaxThreadsVal = std::max(
4564 if (MaxThreadsVal > 0)
4576 const std::string DebugPrefix =
"_debug__";
4578 KernelName = KernelName.
drop_back(DebugPrefix.length());
4581 omp::RuntimeFunction::OMPRTL___kmpc_target_init);
4584 Twine DynamicEnvironmentName = KernelName +
"_dynamic_environment";
4585 Constant *DynamicEnvironmentInitializer =
4589 DynamicEnvironmentInitializer, DynamicEnvironmentName,
4591 DL.getDefaultGlobalsAddressSpace());
4595 DynamicEnvironmentGV->
getType() == DynamicEnvironmentPtr
4596 ? DynamicEnvironmentGV
4598 DynamicEnvironmentPtr);
4601 ConfigurationEnvironment, {
4602 UseGenericStateMachineVal,
4603 MayUseNestedParallelismVal,
4610 ReductionBufferLength,
4613 KernelEnvironment, {
4614 ConfigurationEnvironmentInitializer,
4618 Twine KernelEnvironmentName = KernelName +
"_kernel_environment";
4621 KernelEnvironmentInitializer, KernelEnvironmentName,
4623 DL.getDefaultGlobalsAddressSpace());
4627 KernelEnvironmentGV->
getType() == KernelEnvironmentPtr
4628 ? KernelEnvironmentGV
4630 KernelEnvironmentPtr);
4636 ThreadKind, ConstantInt::get(ThreadKind->
getType(), -1),
4659 UI->eraseFromParent();
4667 int32_t TeamsReductionDataSize,
4668 int32_t TeamsReductionBufferLength) {
4673 omp::RuntimeFunction::OMPRTL___kmpc_target_deinit);
4677 if (!TeamsReductionBufferLength || !TeamsReductionDataSize)
4683 const std::string DebugPrefix =
"_debug__";
4685 KernelName = KernelName.
drop_back(DebugPrefix.length());
4686 auto *KernelEnvironmentGV =
4688 assert(KernelEnvironmentGV &&
"Expected kernel environment global\n");
4689 auto *KernelEnvironmentInitializer = KernelEnvironmentGV->getInitializer();
4691 KernelEnvironmentInitializer,
4692 ConstantInt::get(
Int32, TeamsReductionDataSize), {0, 7});
4694 NewInitializer, ConstantInt::get(
Int32, TeamsReductionBufferLength),
4696 KernelEnvironmentGV->setInitializer(NewInitializer);
4701 NamedMDNode *MD = M.getOrInsertNamedMetadata(
"nvvm.annotations");
4705 auto *KernelOp = dyn_cast<ConstantAsMetadata>(
Op->getOperand(0));
4706 if (!KernelOp || KernelOp->getValue() != &
Kernel)
4708 auto *Prop = dyn_cast<MDString>(
Op->getOperand(1));
4709 if (!Prop || Prop->getString() !=
Name)
4721 auto *OldVal = cast<ConstantAsMetadata>(ExistingOp->
getOperand(2));
4722 int32_t OldLimit = cast<ConstantInt>(OldVal->getValue())->getZExtValue();
4725 OldVal->getValue()->getType(),
4726 Min ? std::min(OldLimit,
Value) : std::max(OldLimit,
Value))));
4735 NamedMDNode *MD = M.getOrInsertNamedMetadata(
"nvvm.annotations");
4740std::pair<int32_t, int32_t>
4742 int32_t ThreadLimit =
4747 if (!Attr.isValid() || !Attr.isStringAttribute())
4748 return {0, ThreadLimit};
4751 if (!llvm::to_integer(UBStr, UB, 10))
4752 return {0, ThreadLimit};
4753 UB = ThreadLimit ? std::min(ThreadLimit, UB) : UB;
4754 if (!llvm::to_integer(LBStr, LB, 10))
4760 auto *OldVal = cast<ConstantAsMetadata>(ExistingOp->getOperand(2));
4761 int32_t UB = cast<ConstantInt>(OldVal->getValue())->getZExtValue();
4762 return {0, ThreadLimit ? std::min(ThreadLimit, UB) : UB};
4764 return {0, ThreadLimit};
4774 llvm::utostr(LB) +
"," + llvm::utostr(UB));
4781std::pair<int32_t, int32_t>
4788 int32_t LB, int32_t UB) {
4793 Kernel.
addFnAttr(
"amdgpu-max-num-workgroups", llvm::utostr(LB) +
",1,1");
4798void OpenMPIRBuilder::setOutlinedTargetRegionFunctionAttributes(
4813 assert(OutlinedFn &&
"The outlined function must exist if embedded");
4822Constant *OpenMPIRBuilder::createTargetRegionEntryAddr(
Function *OutlinedFn,
4828 "Named kernel already exists?");
4843 ? GenerateFunctionCallback(EntryFnName)
4849 if (!IsOffloadEntry)
4852 std::string EntryFnIDName =
4854 ? std::string(EntryFnName)
4858 EntryFnName, EntryFnIDName);
4865 setOutlinedTargetRegionFunctionAttributes(OutlinedFn);
4866 auto OutlinedFnID = createOutlinedFunctionID(OutlinedFn, EntryFnIDName);
4867 auto EntryAddr = createTargetRegionEntryAddr(OutlinedFn, EntryFnName);
4869 EntryInfo, EntryAddr, OutlinedFnID,
4871 return OutlinedFnID;
4894 bool IsStandAlone = !BodyGenCB;
4919 Value *OffloadingArgs[] = {SrcLocInfo, DeviceID,
4926 assert(MapperFunc &&
"MapperFunc missing for standalone target data");
4931 omp::OMPRTL___tgt_target_data_begin_mapper);
4935 for (
auto DeviceMap :
Info.DevicePtrInfoMap) {
4936 if (isa<AllocaInst>(DeviceMap.second.second)) {
4973 Value *OffloadingArgs[] = {SrcLocInfo, DeviceID,
4990 emitIfClause(IfCond, BeginThenGen, BeginElseGen, AllocaIP);
5000 emitIfClause(IfCond, EndThenGen, EndElseGen, AllocaIP);
5006 emitIfClause(IfCond, BeginThenGen, EndElseGen, AllocaIP);
5017 bool IsGPUDistribute) {
5018 assert((IVSize == 32 || IVSize == 64) &&
5019 "IV size is not compatible with the omp runtime");
5021 if (IsGPUDistribute)
5023 ? (IVSigned ? omp::OMPRTL___kmpc_distribute_static_init_4
5024 : omp::OMPRTL___kmpc_distribute_static_init_4u)
5025 : (IVSigned ? omp::OMPRTL___kmpc_distribute_static_init_8
5026 : omp::OMPRTL___kmpc_distribute_static_init_8u);
5028 Name = IVSize == 32 ? (IVSigned ? omp::OMPRTL___kmpc_for_static_init_4
5029 : omp::OMPRTL___kmpc_for_static_init_4u)
5030 : (IVSigned ? omp::OMPRTL___kmpc_for_static_init_8
5031 : omp::OMPRTL___kmpc_for_static_init_8u);
5038 assert((IVSize == 32 || IVSize == 64) &&
5039 "IV size is not compatible with the omp runtime");
5041 ? (IVSigned ? omp::OMPRTL___kmpc_dispatch_init_4
5042 : omp::OMPRTL___kmpc_dispatch_init_4u)
5043 : (IVSigned ? omp::OMPRTL___kmpc_dispatch_init_8
5044 : omp::OMPRTL___kmpc_dispatch_init_8u);
5051 assert((IVSize == 32 || IVSize == 64) &&
5052 "IV size is not compatible with the omp runtime");
5054 ? (IVSigned ? omp::OMPRTL___kmpc_dispatch_next_4
5055 : omp::OMPRTL___kmpc_dispatch_next_4u)
5056 : (IVSigned ? omp::OMPRTL___kmpc_dispatch_next_8
5057 : omp::OMPRTL___kmpc_dispatch_next_8u);
5064 assert((IVSize == 32 || IVSize == 64) &&
5065 "IV size is not compatible with the omp runtime");
5067 ? (IVSigned ? omp::OMPRTL___kmpc_dispatch_fini_4
5068 : omp::OMPRTL___kmpc_dispatch_fini_4u)
5069 : (IVSigned ? omp::OMPRTL___kmpc_dispatch_fini_8
5070 : omp::OMPRTL___kmpc_dispatch_fini_8u);
5078 if (
auto *Instr = dyn_cast<Instruction>(
User)) {
5079 if (Instr->getFunction() == Func) {
5081 ConstInst->
insertBefore(*Instr->getParent(), Instr->getIterator());
5082 Instr->replaceUsesOfWith(ConstExpr, ConstInst);
5091 if (
auto *Const = dyn_cast<Constant>(
User))
5092 if (
auto *ConstExpr = dyn_cast<ConstantExpr>(Const))
5110 for (
auto &Arg : Inputs)
5111 ParameterTypes.
push_back(Arg->getType()->isPointerTy()
5115 for (
auto &Arg : Inputs)
5116 ParameterTypes.
push_back(Arg->getType());
5125 auto OldInsertPoint = Builder.
saveIP();
5153 auto AllocaIP = Builder.
saveIP();
5158 const auto &ArgRange =
5160 ?
make_range(Func->arg_begin() + 1, Func->arg_end())
5164 for (
auto InArg :
zip(Inputs, ArgRange)) {
5165 Value *Input = std::get<0>(InArg);
5166 Argument &Arg = std::get<1>(InArg);
5167 Value *InputCopy =
nullptr;
5170 ArgAccessorFuncCB(Arg, Input, InputCopy, AllocaIP, Builder.
saveIP()));
5188 if (
auto *Instr = dyn_cast<Instruction>(
User))
5189 if (Instr->getFunction() == Func)
5190 Instr->replaceUsesOfWith(Input, InputCopy);
5207 [&OMPBuilder, &Builder, &Inputs, &CBFunc,
5208 &ArgAccessorFuncCB](
StringRef EntryFnName) {
5210 CBFunc, ArgAccessorFuncCB);
5214 OutlinedFn, OutlinedFnID);
5220 int32_t NumTeams, int32_t NumThreads,
5237 auto &&EmitTargetCallFallbackCB =
5258 bool HasNoWait =
false;
5261 NumTeamsVal, NumThreadsVal,
5262 DynCGGroupMem, HasNoWait);
5265 Builder, OutlinedFn, OutlinedFnID, EmitTargetCallFallbackCB, KArgs,
5266 DeviceID, RTLoc, AllocaIP));
5284 OutlinedFnID, Args, CBFunc, ArgAccessorFuncCB);
5287 NumThreads, Args, GenMapInfoCB);
5302 return OS.str().str();
5316 assert(Elem.second->getValueType() == Ty &&
5317 "OMP internal variable has different type than requested");
5333 GV->setAlignment(std::max(TypeAlign, PtrAlign));
5340Value *OpenMPIRBuilder::getOMPCriticalRegionLock(
StringRef CriticalName) {
5341 std::string Prefix =
Twine(
"gomp_critical_user_", CriticalName).
str();
5342 std::string
Name = getNameWithSeparators({Prefix,
"var"},
".",
".");
5353 return SizePtrToInt;
5358 std::string VarName) {
5366 return MaptypesArrayGlobal;
5371 unsigned NumOperands,
5380 ArrI8PtrTy,
nullptr,
".offload_baseptrs");
5384 ArrI64Ty,
nullptr,
".offload_sizes");
5395 int64_t DeviceID,
unsigned NumOperands) {
5401 Value *ArgsBaseGEP =
5403 {Builder.getInt32(0), Builder.getInt32(0)});
5406 {Builder.getInt32(0), Builder.getInt32(0)});
5407 Value *ArgSizesGEP =
5409 {Builder.getInt32(0), Builder.getInt32(0)});
5415 ArgSizesGEP, MaptypesArg, MapnamesArg, NullPtr});
5423 assert((!ForEndCall ||
Info.separateBeginEndCalls()) &&
5424 "expected region end call to runtime only when end call is separate");
5426 auto VoidPtrTy = UnqualPtrTy;
5427 auto VoidPtrPtrTy = UnqualPtrTy;
5429 auto Int64PtrTy = UnqualPtrTy;
5431 if (!
Info.NumberOfPtrs) {
5443 Info.RTArgs.BasePointersArray,
5454 ForEndCall &&
Info.RTArgs.MapTypesArrayEnd ?
Info.RTArgs.MapTypesArrayEnd
5455 :
Info.RTArgs.MapTypesArray,
5470 if (!
Info.HasMapper)
5495 "struct.descriptor_dim");
5497 enum { OffsetFD = 0, CountFD, StrideFD };
5501 for (
unsigned I = 0, L = 0, E = NonContigInfo.
Dims.
size();
I < E; ++
I) {
5504 if (NonContigInfo.
Dims[
I] == 1)
5511 for (
unsigned II = 0, EE = NonContigInfo.
Dims[
I]; II < EE; ++II) {
5512 unsigned RevIdx = EE - II - 1;
5515 {Builder.getInt64(0), Builder.getInt64(II)});
5519 NonContigInfo.
Offsets[L][RevIdx], OffsetLVal,
5524 NonContigInfo.
Counts[L][RevIdx], CountLVal,
5529 NonContigInfo.
Strides[L][RevIdx], StrideLVal,
5538 Info.RTArgs.PointersArray, 0,
I);
5552 Info.clearArrayInfo();
5555 if (
Info.NumberOfPtrs == 0)
5565 PointerArrayType,
nullptr,
".offload_baseptrs");
5568 PointerArrayType,
nullptr,
".offload_ptrs");
5570 PointerArrayType,
nullptr,
".offload_mappers");
5571 Info.RTArgs.MappersArray = MappersArray;
5578 ConstantInt::get(Int64Ty, 0));
5580 for (
unsigned I = 0, E = CombinedInfo.
Sizes.
size();
I < E; ++
I) {
5581 if (
auto *CI = dyn_cast<Constant>(CombinedInfo.
Sizes[
I])) {
5582 if (!isa<ConstantExpr>(CI) && !isa<GlobalValue>(CI)) {
5583 if (IsNonContiguous &&
5584 static_cast<std::underlying_type_t<OpenMPOffloadMappingFlags>
>(
5586 OpenMPOffloadMappingFlags::OMP_MAP_NON_CONTIG))
5594 RuntimeSizes.
set(
I);
5597 if (RuntimeSizes.
all()) {
5600 SizeArrayType,
nullptr,
".offload_sizes");
5606 auto *SizesArrayGbl =
5611 if (!RuntimeSizes.
any()) {
5612 Info.RTArgs.SizesArray = SizesArrayGbl;
5618 SizeArrayType,
nullptr,
".offload_sizes");
5623 SizesArrayGbl, OffloadSizeAlign,
5628 Info.RTArgs.SizesArray = Buffer;
5636 for (
auto mapFlag : CombinedInfo.
Types)
5638 static_cast<std::underlying_type_t<OpenMPOffloadMappingFlags>
>(
5642 Info.RTArgs.MapTypesArray = MapTypesArrayGbl;
5647 auto *MapNamesArrayGbl =
5649 Info.RTArgs.MapNamesArray = MapNamesArrayGbl;
5651 Info.RTArgs.MapNamesArray =
5657 if (
Info.separateBeginEndCalls()) {
5658 bool EndMapTypesDiffer =
false;
5660 if (
Type &
static_cast<std::underlying_type_t<OpenMPOffloadMappingFlags>
>(
5661 OpenMPOffloadMappingFlags::OMP_MAP_PRESENT)) {
5662 Type &= ~static_cast<std::underlying_type_t<OpenMPOffloadMappingFlags>>(
5663 OpenMPOffloadMappingFlags::OMP_MAP_PRESENT);
5664 EndMapTypesDiffer =
true;
5667 if (EndMapTypesDiffer) {
5669 Info.RTArgs.MapTypesArrayEnd = MapTypesArrayGbl;
5674 for (
unsigned I = 0;
I <
Info.NumberOfPtrs; ++
I) {
5682 if (
Info.requiresDevicePointerInfo()) {
5689 DeviceAddrCB(
I,
Info.DevicePtrInfoMap[BPVal].second);
5691 Info.DevicePtrInfoMap[BPVal] = {BP, BP};
5693 DeviceAddrCB(
I, BP);
5705 if (RuntimeSizes.
test(
I)) {
5719 if (
Value *CustomMFunc = CustomMapperCB(
I))
5723 {Builder.getIntN(IndexSize, 0), Builder.getIntN(IndexSize, I)});
5729 Info.NumberOfPtrs == 0)
5774 if (
auto *CI = dyn_cast<ConstantInt>(
Cond)) {
5775 auto CondConstant = CI->getSExtValue();
5805bool OpenMPIRBuilder::checkAndEmitFlushAfterAtomic(
5809 "Unexpected Atomic Ordering.");
5873 assert(
X.Var->getType()->isPointerTy() &&
5874 "OMP Atomic expects a pointer to target memory");
5875 Type *XElemTy =
X.ElemTy;
5878 "OMP atomic read expected a scalar type");
5880 Value *XRead =
nullptr;
5886 XRead = cast<Value>(XLD);
5900 checkAndEmitFlushAfterAtomic(Loc, AO, AtomicKind::Read);
5912 assert(
X.Var->getType()->isPointerTy() &&
5913 "OMP Atomic expects a pointer to target memory");
5914 Type *XElemTy =
X.ElemTy;
5917 "OMP atomic write expected a scalar type");
5932 checkAndEmitFlushAfterAtomic(Loc, AO, AtomicKind::Write);
5945 Type *XTy =
X.Var->getType();
5947 "OMP Atomic expects a pointer to target memory");
5948 Type *XElemTy =
X.ElemTy;
5951 "OMP atomic update expected a scalar type");
5954 "OpenMP atomic does not support LT or GT operations");
5957 emitAtomicUpdate(AllocaIP,
X.Var,
X.ElemTy, Expr, AO, RMWOp, UpdateOp,
5958 X.IsVolatile, IsXBinopExpr);
5959 checkAndEmitFlushAfterAtomic(Loc, AO, AtomicKind::Update);
5964Value *OpenMPIRBuilder::emitRMWOpAsInstruction(
Value *Src1,
Value *Src2,
5996std::pair<Value *, Value *> OpenMPIRBuilder::emitAtomicUpdate(
5999 AtomicUpdateCallbackTy &UpdateOp,
bool VolatileX,
bool IsXBinopExpr) {
6002 bool emitRMWOp =
false;
6010 emitRMWOp = XElemTy;
6013 emitRMWOp = (IsXBinopExpr && XElemTy);
6020 std::pair<Value *, Value *> Res;
6027 Res.second = Res.first;
6029 Res.second = emitRMWOpAsInstruction(Res.first, Expr, RMWOp);
6047 X->getName() +
".atomic.cont");
6051 NewAtomicAddr->
setName(
X->getName() +
"x.new.val");
6054 PHI->addIncoming(OldVal, CurBB);
6060 X->getName() +
".atomic.fltCast");
6063 X->getName() +
".atomic.ptrCast");
6074 Result->setVolatile(VolatileX);
6080 Res.first = OldExprVal;
6100 bool UpdateExpr,
bool IsPostfixUpdate,
bool IsXBinopExpr) {
6105 Type *XTy =
X.Var->getType();
6107 "OMP Atomic expects a pointer to target memory");
6108 Type *XElemTy =
X.ElemTy;
6111 "OMP atomic capture expected a scalar type");
6113 "OpenMP atomic does not support LT or GT operations");
6119 std::pair<Value *, Value *> Result =
6120 emitAtomicUpdate(AllocaIP,
X.Var,
X.ElemTy, Expr, AO, AtomicOp, UpdateOp,
6121 X.IsVolatile, IsXBinopExpr);
6123 Value *CapturedVal = (IsPostfixUpdate ? Result.first : Result.second);
6126 checkAndEmitFlushAfterAtomic(Loc, AO, AtomicKind::Capture);
6138 IsPostfixUpdate, IsFailOnly, Failure);
6150 assert(
X.Var->getType()->isPointerTy() &&
6151 "OMP atomic expects a pointer to target memory");
6154 assert(V.Var->getType()->isPointerTy() &&
"v.var must be of pointer type");
6155 assert(V.ElemTy ==
X.ElemTy &&
"x and v must be of same type");
6160 if (
Op == OMPAtomicCompareOp::EQ) {
6179 "OldValue and V must be of same type");
6180 if (IsPostfixUpdate) {
6198 CurBBTI,
X.Var->getName() +
".atomic.exit");
6218 Value *CapturedValue =
6226 assert(R.Var->getType()->isPointerTy() &&
6227 "r.var must be of pointer type");
6228 assert(R.ElemTy->isIntegerTy() &&
"r must be of integral type");
6231 Value *ResultCast = R.IsSigned
6237 assert((
Op == OMPAtomicCompareOp::MAX ||
Op == OMPAtomicCompareOp::MIN) &&
6238 "Op should be either max or min at this point");
6239 assert(!IsFailOnly &&
"IsFailOnly is only valid when the comparison is ==");
6279 Value *CapturedValue =
nullptr;
6280 if (IsPostfixUpdate) {
6281 CapturedValue = OldValue;
6313 checkAndEmitFlushAfterAtomic(Loc, AO, AtomicKind::Compare);
6360 bool SubClausesPresent =
6361 (NumTeamsLower || NumTeamsUpper || ThreadLimit || IfExpr);
6364 assert((NumTeamsLower ==
nullptr || NumTeamsUpper !=
nullptr) &&
6365 "if lowerbound is non-null, then upperbound must also be non-null "
6366 "for bounds on num_teams");
6368 if (NumTeamsUpper ==
nullptr)
6371 if (NumTeamsLower ==
nullptr)
6372 NumTeamsLower = NumTeamsUpper;
6376 "argument to if clause must be an integer value");
6381 ConstantInt::get(IfExpr->
getType(), 0));
6390 if (ThreadLimit ==
nullptr)
6396 {Ident, ThreadNum, NumTeamsLower, NumTeamsUpper, ThreadLimit});
6401 BodyGenCB(AllocaIP, CodeGenIP);
6409 std::stack<Instruction *> ToBeDeleted;
6412 Builder, OuterAllocaIP, ToBeDeleted, AllocaIP,
"gid",
true));
6414 Builder, OuterAllocaIP, ToBeDeleted, AllocaIP,
"tid",
true));
6416 auto HostPostOutlineCB = [
this, Ident,
6417 ToBeDeleted](
Function &OutlinedFn)
mutable {
6422 "there must be a single user for the outlined function");
6424 ToBeDeleted.push(StaleCI);
6427 "Outlined function must have two or three arguments only");
6429 bool HasShared = OutlinedFn.
arg_size() == 3;
6437 assert(StaleCI &&
"Error while outlining - no CallInst user found for the "
6438 "outlined function.");
6445 omp::RuntimeFunction::OMPRTL___kmpc_fork_teams),
6448 while (!ToBeDeleted.empty()) {
6466 std::string VarName) {
6475 return MapNamesArrayGlobal;
6480void OpenMPIRBuilder::initializeTypes(
Module &M) {
6483#define OMP_TYPE(VarName, InitValue) VarName = InitValue;
6484#define OMP_ARRAY_TYPE(VarName, ElemTy, ArraySize) \
6485 VarName##Ty = ArrayType::get(ElemTy, ArraySize); \
6486 VarName##PtrTy = PointerType::getUnqual(VarName##Ty);
6487#define OMP_FUNCTION_TYPE(VarName, IsVarArg, ReturnType, ...) \
6488 VarName = FunctionType::get(ReturnType, {__VA_ARGS__}, IsVarArg); \
6489 VarName##Ptr = PointerType::getUnqual(VarName);
6490#define OMP_STRUCT_TYPE(VarName, StructName, Packed, ...) \
6491 T = StructType::getTypeByName(Ctx, StructName); \
6493 T = StructType::create(Ctx, {__VA_ARGS__}, StructName, Packed); \
6495 VarName##Ptr = PointerType::getUnqual(T);
6496#include "llvm/Frontend/OpenMP/OMPKinds.def"
6507 while (!Worklist.
empty()) {
6511 if (BlockSet.
insert(SuccBB).second)
6523 "omp_offloading_entries");
6547 Fn->
addFnAttr(
"uniform-work-group-size",
"true");
6566 auto &&GetMDInt = [
this](
unsigned V) {
6574 auto &&TargetRegionMetadataEmitter =
6575 [&
C, MD, &OrderedEntries, &GetMDInt, &GetMDString](
6590 GetMDInt(E.getKind()), GetMDInt(EntryInfo.DeviceID),
6591 GetMDInt(EntryInfo.FileID), GetMDString(EntryInfo.ParentName),
6592 GetMDInt(EntryInfo.Line), GetMDInt(EntryInfo.Count),
6593 GetMDInt(E.getOrder())};
6596 OrderedEntries[E.getOrder()] = std::make_pair(&E, EntryInfo);
6605 auto &&DeviceGlobalVarMetadataEmitter =
6606 [&
C, &OrderedEntries, &GetMDInt, &GetMDString, MD](
6616 Metadata *Ops[] = {GetMDInt(E.getKind()), GetMDString(MangledName),
6617 GetMDInt(E.getFlags()), GetMDInt(E.getOrder())};
6621 OrderedEntries[E.getOrder()] = std::make_pair(&E, varInfo);
6628 DeviceGlobalVarMetadataEmitter);
6630 for (
const auto &E : OrderedEntries) {
6631 assert(E.first &&
"All ordered entries must exist!");
6632 if (
const auto *CE =
6633 dyn_cast<OffloadEntriesInfoManager::OffloadEntryInfoTargetRegion>(
6635 if (!CE->getID() || !CE->getAddress()) {
6647 }
else if (
const auto *CE =
dyn_cast<
6658 if (!CE->getAddress()) {
6663 if (CE->getVarSize() == 0)
6669 "Declaret target link address is set.");
6672 if (!CE->getAddress()) {
6684 if (
auto *
GV = dyn_cast<GlobalValue>(CE->getAddress()))
6685 if ((
GV->hasLocalLinkage() ||
GV->hasHiddenVisibility()) &&
6693 Flags, CE->getLinkage(), CE->getVarName());
6696 Flags, CE->getLinkage());
6717 unsigned FileID,
unsigned Line,
unsigned Count) {
6720 <<
llvm::format(
"_%x_", FileID) << ParentName <<
"_l" << Line;
6727 unsigned NewCount = getTargetRegionEntryInfoCount(EntryInfo);
6730 EntryInfo.
Line, NewCount);
6737 auto FileIDInfo = CallBack();
6740 "getTargetEntryUniqueInfo, error message: " +
6746 std::get<1>(FileIDInfo));
6752 static_cast<std::underlying_type_t<omp::OpenMPOffloadMappingFlags>
>(
6754 !(Remain & 1); Remain = Remain >> 1)
6772 if (
static_cast<std::underlying_type_t<omp::OpenMPOffloadMappingFlags>
>(
6774 static_cast<std::underlying_type_t<omp::OpenMPOffloadMappingFlags>
>(
6781 Flags &= ~omp::OpenMPOffloadMappingFlags::OMP_MAP_MEMBER_OF;
6782 Flags |= MemberOfFlag;
6788 bool IsDeclaration,
bool IsExternallyVisible,
6790 std::vector<GlobalVariable *> &GeneratedRefs,
bool OpenMPSIMD,
6791 std::vector<Triple> TargetTriple,
Type *LlvmPtrTy,
6792 std::function<
Constant *()> GlobalInitializer,
6808 if (!IsExternallyVisible)
6810 OS <<
"_decl_tgt_ref_ptr";
6819 auto *
GV = cast<GlobalVariable>(
Ptr);
6823 if (GlobalInitializer)
6824 GV->setInitializer(GlobalInitializer());
6830 CaptureClause, DeviceClause, IsDeclaration, IsExternallyVisible,
6831 EntryInfo, MangledName, GeneratedRefs, OpenMPSIMD, TargetTriple,
6832 GlobalInitializer, VariableLinkage, LlvmPtrTy, cast<Constant>(
Ptr));
6835 return cast<Constant>(
Ptr);
6844 bool IsDeclaration,
bool IsExternallyVisible,
6846 std::vector<GlobalVariable *> &GeneratedRefs,
bool OpenMPSIMD,
6847 std::vector<Triple> TargetTriple,
6848 std::function<
Constant *()> GlobalInitializer,
6865 VarName = MangledName;
6873 Linkage = (VariableLinkage) ? VariableLinkage() : LlvmVal->
getLinkage();
6889 auto *GvAddrRef = cast<GlobalVariable>(AddrRef);
6890 GvAddrRef->setConstant(
true);
6892 GvAddrRef->setInitializer(
Addr);
6893 GeneratedRefs.push_back(GvAddrRef);
6903 VarName = (
Addr) ?
Addr->getName() :
"";
6907 CaptureClause, DeviceClause, IsDeclaration, IsExternallyVisible,
6908 EntryInfo, MangledName, GeneratedRefs, OpenMPSIMD, TargetTriple,
6909 LlvmPtrTy, GlobalInitializer, VariableLinkage);
6910 VarName = (
Addr) ?
Addr->getName() :
"";
6931 auto &&GetMDInt = [MN](
unsigned Idx) {
6932 auto *V = cast<ConstantAsMetadata>(MN->getOperand(
Idx));
6933 return cast<ConstantInt>(V->getValue())->getZExtValue();
6936 auto &&GetMDString = [MN](
unsigned Idx) {
6937 auto *V = cast<MDString>(MN->getOperand(
Idx));
6938 return V->getString();
6941 switch (GetMDInt(0)) {
6969 if (HostFilePath.
empty())
6973 if (std::error_code Err = Buf.getError()) {
6975 "OpenMPIRBuilder: " +
6983 if (std::error_code Err =
M.getError()) {
6985 (
"error parsing host file inside of OpenMPIRBuilder: " + Err.message())
6997 return OffloadEntriesTargetRegion.empty() &&
6998 OffloadEntriesDeviceGlobalVar.empty();
7001unsigned OffloadEntriesInfoManager::getTargetRegionEntryInfoCount(
7003 auto It = OffloadEntriesTargetRegionCount.find(
7004 getTargetRegionEntryCountKey(EntryInfo));
7005 if (It == OffloadEntriesTargetRegionCount.end())
7010void OffloadEntriesInfoManager::incrementTargetRegionEntryInfoCount(
7012 OffloadEntriesTargetRegionCount[getTargetRegionEntryCountKey(EntryInfo)] =
7013 EntryInfo.
Count + 1;
7019 OffloadEntriesTargetRegion[EntryInfo] =
7021 OMPTargetRegionEntryTargetRegion);
7022 ++OffloadingEntriesNum;
7028 assert(EntryInfo.
Count == 0 &&
"expected default EntryInfo");
7031 EntryInfo.
Count = getTargetRegionEntryInfoCount(EntryInfo);
7035 if (OMPBuilder->Config.isTargetDevice()) {
7037 if (!hasTargetRegionEntryInfo(EntryInfo)) {
7040 auto &Entry = OffloadEntriesTargetRegion[EntryInfo];
7041 Entry.setAddress(
Addr);
7043 Entry.setFlags(
Flags);
7046 hasTargetRegionEntryInfo(EntryInfo,
true))
7048 assert(!hasTargetRegionEntryInfo(EntryInfo) &&
7049 "Target region entry already registered!");
7051 OffloadEntriesTargetRegion[EntryInfo] = Entry;
7052 ++OffloadingEntriesNum;
7054 incrementTargetRegionEntryInfoCount(EntryInfo);
7061 EntryInfo.
Count = getTargetRegionEntryInfoCount(EntryInfo);
7063 auto It = OffloadEntriesTargetRegion.find(EntryInfo);
7064 if (It == OffloadEntriesTargetRegion.end()) {
7068 if (!IgnoreAddressId && (It->second.getAddress() || It->second.getID()))
7076 for (
const auto &It : OffloadEntriesTargetRegion) {
7077 Action(It.first, It.second);
7083 OffloadEntriesDeviceGlobalVar.try_emplace(
Name, Order,
Flags);
7084 ++OffloadingEntriesNum;
7090 if (OMPBuilder->Config.isTargetDevice()) {
7092 if (!hasDeviceGlobalVarEntryInfo(VarName))
7094 auto &Entry = OffloadEntriesDeviceGlobalVar[VarName];
7095 if (Entry.getAddress() && hasDeviceGlobalVarEntryInfo(VarName)) {
7096 if (Entry.getVarSize() == 0) {
7097 Entry.setVarSize(VarSize);
7098 Entry.setLinkage(Linkage);
7102 Entry.setVarSize(VarSize);
7103 Entry.setLinkage(Linkage);
7104 Entry.setAddress(
Addr);
7106 if (hasDeviceGlobalVarEntryInfo(VarName)) {
7107 auto &Entry = OffloadEntriesDeviceGlobalVar[VarName];
7108 assert(Entry.isValid() && Entry.getFlags() ==
Flags &&
7109 "Entry not initialized!");
7110 if (Entry.getVarSize() == 0) {
7111 Entry.setVarSize(VarSize);
7112 Entry.setLinkage(Linkage);
7117 OffloadEntriesDeviceGlobalVar.try_emplace(VarName, OffloadingEntriesNum,
7121 OffloadEntriesDeviceGlobalVar.try_emplace(
7122 VarName, OffloadingEntriesNum,
Addr, VarSize,
Flags, Linkage,
"");
7123 ++OffloadingEntriesNum;
7130 for (
const auto &E : OffloadEntriesDeviceGlobalVar)
7131 Action(E.getKey(), E.getValue());
7138void CanonicalLoopInfo::collectControlBlocks(
7145 BBs.
append({getPreheader(), Header,
Cond, Latch, Exit, getAfter()});
7157void CanonicalLoopInfo::setTripCount(
Value *TripCount) {
7161 assert(isa<CmpInst>(CmpI) &&
"First inst must compare IV with TripCount");
7169void CanonicalLoopInfo::mapIndVar(
7179 for (
Use &U : OldIV->
uses()) {
7180 auto *
User = dyn_cast<Instruction>(U.getUser());
7183 if (
User->getParent() == getCond())
7185 if (
User->getParent() == getLatch())
7191 Value *NewIV = Updater(OldIV);
7194 for (
Use *U : ReplacableUses)
7215 "Preheader must terminate with unconditional branch");
7217 "Preheader must jump to header");
7220 assert(isa<BranchInst>(Header->getTerminator()) &&
7221 "Header must terminate with unconditional branch");
7222 assert(Header->getSingleSuccessor() ==
Cond &&
7223 "Header must jump to exiting block");
7226 assert(
Cond->getSinglePredecessor() == Header &&
7227 "Exiting block only reachable from header");
7229 assert(isa<BranchInst>(
Cond->getTerminator()) &&
7230 "Exiting block must terminate with conditional branch");
7232 "Exiting block must have two successors");
7233 assert(cast<BranchInst>(
Cond->getTerminator())->getSuccessor(0) == Body &&
7234 "Exiting block's first successor jump to the body");
7235 assert(cast<BranchInst>(
Cond->getTerminator())->getSuccessor(1) == Exit &&
7236 "Exiting block's second successor must exit the loop");
7240 "Body only reachable from exiting block");
7245 "Latch must terminate with unconditional branch");
7253 assert(isa<BranchInst>(Exit->getTerminator()) &&
7254 "Exit block must terminate with unconditional branch");
7256 "Exit block must jump to after block");
7260 "After block only reachable from exit block");
7264 assert(IndVar &&
"Canonical induction variable not found?");
7266 "Induction variable must be an integer");
7268 "Induction variable must be a PHI in the loop header");
7269 assert(cast<PHINode>(IndVar)->getIncomingBlock(0) == Preheader);
7271 cast<ConstantInt>(cast<PHINode>(IndVar)->getIncomingValue(0))->
isZero());
7272 assert(cast<PHINode>(IndVar)->getIncomingBlock(1) == Latch);
7274 auto *NextIndVar = cast<PHINode>(IndVar)->getIncomingValue(1);
7276 assert(cast<BinaryOperator>(NextIndVar)->
getOpcode() == BinaryOperator::Add);
7277 assert(cast<BinaryOperator>(NextIndVar)->getOperand(0) == IndVar);
7278 assert(cast<ConstantInt>(cast<BinaryOperator>(NextIndVar)->getOperand(1))
7281 Value *TripCount = getTripCount();
7282 assert(TripCount &&
"Loop trip count not found?");
7284 "Trip count and induction variable must have the same type");
7286 auto *CmpI = cast<CmpInst>(&
Cond->front());
7288 "Exit condition must be a signed less-than comparison");
7290 "Exit condition must compare the induction variable");
7292 "Exit condition must compare with the trip count");
MachineBasicBlock MachineBasicBlock::iterator DebugLoc DL
This file contains the simple types necessary to represent the attributes associated with functions a...
static const Function * getParent(const Value *V)
#define LLVM_ENABLE_BITMASK_ENUMS_IN_NAMESPACE()
LLVM_ENABLE_BITMASK_ENUMS_IN_NAMESPACE() pulls the operator overloads used by LLVM_MARK_AS_BITMASK_EN...
#define LLVM_MARK_AS_BITMASK_ENUM(LargestValue)
LLVM_MARK_AS_BITMASK_ENUM lets you opt in an individual enum type so you can perform bitwise operatio...
static GCRegistry::Add< StatepointGC > D("statepoint-example", "an example strategy for statepoint")
Analysis containing CSE Info
This file contains the declarations for the subclasses of Constant, which represent the different fla...
Returns the sub type a function will return at a given Idx Should correspond to the result type of an ExtractValue instruction executed with just that one unsigned Idx
DenseMap< Block *, BlockRelaxAux > Blocks
static GCMetadataPrinterRegistry::Add< ErlangGCPrinter > X("erlang", "erlang-compatible garbage collector")
Rewrite Partial Register Uses
This file provides various utilities for inspecting and working with the control flow graph in LLVM I...
iv Induction Variable Users
static bool isZero(Value *V, const DataLayout &DL, DominatorTree *DT, AssumptionCache *AC)
static cl::opt< unsigned > TileSize("fuse-matrix-tile-size", cl::init(4), cl::Hidden, cl::desc("Tile size for matrix instruction fusion using square-shaped tiles."))
#define OMP_KERNEL_ARG_VERSION
Provides definitions for Target specific Grid Values.
static OMPScheduleType getOpenMPBaseScheduleType(llvm::omp::ScheduleKind ClauseKind, bool HasChunks, bool HasSimdModifier)
Determine which scheduling algorithm to use, determined from schedule clause arguments.
static void emitTargetOutlinedFunction(OpenMPIRBuilder &OMPBuilder, IRBuilderBase &Builder, TargetRegionEntryInfo &EntryInfo, Function *&OutlinedFn, Constant *&OutlinedFnID, SmallVectorImpl< Value * > &Inputs, OpenMPIRBuilder::TargetBodyGenCallbackTy &CBFunc, OpenMPIRBuilder::TargetGenArgAccessorsCallbackTy &ArgAccessorFuncCB)
static Function * createOutlinedFunction(OpenMPIRBuilder &OMPBuilder, IRBuilderBase &Builder, StringRef FuncName, SmallVectorImpl< Value * > &Inputs, OpenMPIRBuilder::TargetBodyGenCallbackTy &CBFunc, OpenMPIRBuilder::TargetGenArgAccessorsCallbackTy &ArgAccessorFuncCB)
static void redirectTo(BasicBlock *Source, BasicBlock *Target, DebugLoc DL)
Make Source branch to Target.
static void emitTargetCall(OpenMPIRBuilder &OMPBuilder, IRBuilderBase &Builder, OpenMPIRBuilder::InsertPointTy AllocaIP, Function *OutlinedFn, Constant *OutlinedFnID, int32_t NumTeams, int32_t NumThreads, SmallVectorImpl< Value * > &Args, OpenMPIRBuilder::GenMapInfoCallbackTy GenMapInfoCB)
static FunctionCallee getKmpcForDynamicFiniForType(Type *Ty, Module &M, OpenMPIRBuilder &OMPBuilder)
Returns an LLVM function to call for finalizing the dynamic loop using depending on type.
static void updateNVPTXMetadata(Function &Kernel, StringRef Name, int32_t Value, bool Min)
static OMPScheduleType getOpenMPOrderingScheduleType(OMPScheduleType BaseScheduleType, bool HasOrderedClause)
Adds ordering modifier flags to schedule type.
static OMPScheduleType getOpenMPMonotonicityScheduleType(OMPScheduleType ScheduleType, bool HasSimdModifier, bool HasMonotonic, bool HasNonmonotonic, bool HasOrderedClause)
Adds monotonicity modifier flags to schedule type.
static void addSimdMetadata(BasicBlock *Block, MDNode *AccessGroup, LoopInfo &LI)
Attach llvm.access.group metadata to the memref instructions of Block.
static OMPScheduleType computeOpenMPScheduleType(ScheduleKind ClauseKind, bool HasChunks, bool HasSimdModifier, bool HasMonotonicModifier, bool HasNonmonotonicModifier, bool HasOrderedClause)
Determine the schedule type using schedule and ordering clause arguments.
static bool isValidWorkshareLoopScheduleType(OMPScheduleType SchedType)
static void raiseUserConstantDataAllocasToEntryBlock(IRBuilderBase &Builder, Function *Function)
static MDNode * getNVPTXMDNode(Function &Kernel, StringRef Name)
static FunctionCallee getKmpcForDynamicNextForType(Type *Ty, Module &M, OpenMPIRBuilder &OMPBuilder)
Returns an LLVM function to call for updating the next loop using OpenMP dynamic scheduling depending...
static void replaceConstantValueUsesInFuncWithInstr(llvm::Value *Input, Function *Func)
static bool isConflictIP(IRBuilder<>::InsertPoint IP1, IRBuilder<>::InsertPoint IP2)
Return whether IP1 and IP2 are ambiguous, i.e.
static FunctionCallee getKmpcForDynamicInitForType(Type *Ty, Module &M, OpenMPIRBuilder &OMPBuilder)
Returns an LLVM function to call for initializing loop bounds using OpenMP dynamic scheduling dependi...
static cl::opt< double > UnrollThresholdFactor("openmp-ir-builder-unroll-threshold-factor", cl::Hidden, cl::desc("Factor for the unroll threshold to account for code " "simplifications still taking place"), cl::init(1.5))
static int32_t computeHeuristicUnrollFactor(CanonicalLoopInfo *CLI)
Heuristically determine the best-performant unroll factor for CLI.
static void replaceConstatExprUsesInFuncWithInstr(ConstantExpr *ConstExpr, Function *Func)
static void workshareLoopTargetCallback(OpenMPIRBuilder *OMPIRBuilder, CanonicalLoopInfo *CLI, Value *Ident, Function &OutlinedFn, Type *ParallelTaskPtr, const SmallVector< Instruction *, 4 > &ToBeDeleted, WorksharingLoopType LoopType)
static void redirectAllPredecessorsTo(BasicBlock *OldTarget, BasicBlock *NewTarget, DebugLoc DL)
Redirect all edges that branch to OldTarget to NewTarget.
static std::unique_ptr< TargetMachine > createTargetMachine(Function *F, CodeGenOptLevel OptLevel)
Create the TargetMachine object to query the backend for optimization preferences.
static FunctionCallee getKmpcForStaticInitForType(Type *Ty, Module &M, OpenMPIRBuilder &OMPBuilder)
static void addBasicBlockMetadata(BasicBlock *BB, ArrayRef< Metadata * > Properties)
Attach metadata Properties to the basic block described by BB.
static cl::opt< bool > OptimisticAttributes("openmp-ir-builder-optimistic-attributes", cl::Hidden, cl::desc("Use optimistic attributes describing " "'as-if' properties of runtime calls."), cl::init(false))
static FunctionCallee getKmpcForStaticLoopForType(Type *Ty, OpenMPIRBuilder *OMPBuilder, WorksharingLoopType LoopType)
static void createTargetLoopWorkshareCall(OpenMPIRBuilder *OMPBuilder, WorksharingLoopType LoopType, BasicBlock *InsertBlock, Value *Ident, Value *LoopBodyArg, Type *ParallelTaskPtr, Value *TripCount, Function &LoopBodyFn)
static const omp::GV & getGridValue(const Triple &T, Function *Kernel)
Value * createFakeIntVal(IRBuilder<> &Builder, OpenMPIRBuilder::InsertPointTy OuterAllocaIP, std::stack< Instruction * > &ToBeDeleted, OpenMPIRBuilder::InsertPointTy InnerAllocaIP, const Twine &Name="", bool AsPtr=true)
static void addLoopMetadata(CanonicalLoopInfo *Loop, ArrayRef< Metadata * > Properties)
Attach loop metadata Properties to the loop described by Loop.
Function * getFreshReductionFunc(Module &M)
Create a function with a unique name and a "void (i8*, i8*)" signature in the given module and return...
static void removeUnusedBlocksFromParent(ArrayRef< BasicBlock * > BBs)
Determine which blocks in BBs are reachable from outside and remove the ones that are not reachable f...
static void targetParallelCallback(OpenMPIRBuilder *OMPIRBuilder, Function &OutlinedFn, Function *OuterFn, BasicBlock *OuterAllocaBB, Value *Ident, Value *IfCondition, Value *NumThreads, Instruction *PrivTID, AllocaInst *PrivTIDAddr, Value *ThreadID, const SmallVector< Instruction *, 4 > &ToBeDeleted)
static void hostParallelCallback(OpenMPIRBuilder *OMPIRBuilder, Function &OutlinedFn, Function *OuterFn, Value *Ident, Value *IfCondition, Instruction *PrivTID, AllocaInst *PrivTIDAddr, const SmallVector< Instruction *, 4 > &ToBeDeleted)
FunctionAnalysisManager FAM
const char LLVMTargetMachineRef TM
This header defines various interfaces for pass management in LLVM.
const SmallVectorImpl< MachineOperand > & Cond
static bool isValid(const char C)
Returns true if C is a valid mangled character: <0-9a-zA-Z_>.
assert(ImpDefSCC.getReg()==AMDGPU::SCC &&ImpDefSCC.isDef())
This file defines the SmallSet class.
static std::optional< unsigned > getOpcode(ArrayRef< VPValue * > Values)
Returns the opcode of Values or ~0 if they do not all agree.
static cl::opt< unsigned > MaxThreads("xcore-max-threads", cl::Optional, cl::desc("Maximum number of threads (for emulation thread-local storage)"), cl::Hidden, cl::value_desc("number"), cl::init(8))
static const uint32_t IV[8]
Class for arbitrary precision integers.
This class represents a conversion between pointers from one address space to another.
an instruction to allocate memory on the stack
PointerType * getType() const
Overload to return most specific pointer type.
Type * getAllocatedType() const
Return the type that is being allocated by the instruction.
unsigned getAddressSpace() const
Return the address space for the allocation.
std::optional< TypeSize > getAllocationSize(const DataLayout &DL) const
Get allocation size in bytes.
void setAlignment(Align Align)
const Value * getArraySize() const
Get the number of elements allocated.
A container for analyses that lazily runs them and caches their results.
bool registerPass(PassBuilderT &&PassBuilder)
Register an analysis pass with the manager.
This class represents an incoming formal argument to a Function.
ArrayRef - Represent a constant reference to an array (0 or more elements consecutively in memory),...
size_t size() const
size - Get the array size.
bool empty() const
empty - Check if the array is empty.
Class to represent array types.
static ArrayType * get(Type *ElementType, uint64_t NumElements)
This static method is the primary way to construct an ArrayType.
A function analysis which provides an AssumptionCache.
AssumptionCache run(Function &F, FunctionAnalysisManager &)
A cache of @llvm.assume calls within a function.
An instruction that atomically checks whether a specified value is in a memory location,...
static AtomicOrdering getStrongestFailureOrdering(AtomicOrdering SuccessOrdering)
Returns the strongest permitted ordering on failure, given the desired ordering on success.
an instruction that atomically reads a memory location, combines it with another value,...
BinOp
This enumeration lists the possible modifications atomicrmw can make.
@ Min
*p = old <signed v ? old : v
@ UIncWrap
Increment one up to a maximum value.
@ Max
*p = old >signed v ? old : v
@ UMin
*p = old <unsigned v ? old : v
@ FMin
*p = minnum(old, v) minnum matches the behavior of llvm.minnum.
@ UMax
*p = old >unsigned v ? old : v
@ FMax
*p = maxnum(old, v) maxnum matches the behavior of llvm.maxnum.
@ UDecWrap
Decrement one until a minimum value or zero.
AttributeSet addAttributes(LLVMContext &C, AttributeSet AS) const
Add attributes to the attribute set.
AttributeSet addAttribute(LLVMContext &C, Attribute::AttrKind Kind) const
Add an argument attribute.
static Attribute get(LLVMContext &Context, AttrKind Kind, uint64_t Val=0)
Return a uniquified Attribute object.
StringRef getValueAsString() const
Return the attribute's value as a string.
LLVM Basic Block Representation.
void replaceSuccessorsPhiUsesWith(BasicBlock *Old, BasicBlock *New)
Update all phi nodes in this basic block's successors to refer to basic block New instead of basic bl...
iterator begin()
Instruction iterator methods.
const_iterator getFirstInsertionPt() const
Returns an iterator to the first instruction in this block that is suitable for inserting a non-PHI i...
reverse_iterator rbegin()
const Instruction * getFirstNonPHI() const
Returns a pointer to the first instruction in this block that is not a PHINode instruction.
const Instruction & front() const
static BasicBlock * Create(LLVMContext &Context, const Twine &Name="", Function *Parent=nullptr, BasicBlock *InsertBefore=nullptr)
Creates a new BasicBlock.
BasicBlock * splitBasicBlock(iterator I, const Twine &BBName="", bool Before=false)
Split the basic block into two basic blocks at the specified instruction.
const BasicBlock * getUniqueSuccessor() const
Return the successor of this block if it has a unique successor.
const BasicBlock * getSinglePredecessor() const
Return the predecessor of this block if it has a single predecessor block.
InstListType::reverse_iterator reverse_iterator
const BasicBlock * getUniquePredecessor() const
Return the predecessor of this block if it has a unique predecessor block.
const BasicBlock * getSingleSuccessor() const
Return the successor of this block if it has a single successor.
const Function * getParent() const
Return the enclosing method, or null if none.
SymbolTableList< BasicBlock >::iterator eraseFromParent()
Unlink 'this' from the containing function and delete it.
const Instruction * getFirstNonPHIOrDbg(bool SkipPseudoOp=true) const
Returns a pointer to the first instruction in this block that is not a PHINode or a debug intrinsic,...
LLVMContext & getContext() const
Get the context in which this basic block lives.
void moveBefore(BasicBlock *MovePos)
Unlink this basic block from its current function and insert it into the function that MovePos lives ...
const Instruction * getTerminator() const LLVM_READONLY
Returns the terminator instruction if the block is well formed or null if the block is not well forme...
void splice(BasicBlock::iterator ToIt, BasicBlock *FromBB)
Transfer all instructions from FromBB to this basic block at ToIt.
const Instruction & back() const
const Module * getModule() const
Return the module owning the function this basic block belongs to, or nullptr if the function does no...
void removePredecessor(BasicBlock *Pred, bool KeepOneInputPHIs=false)
Update PHI nodes in this BasicBlock before removal of predecessor Pred.
Conditional or Unconditional Branch instruction.
static BranchInst * Create(BasicBlock *IfTrue, BasicBlock::iterator InsertBefore)
Function * getCalledFunction() const
Returns the function called, or null if this is an indirect function invocation or the function signa...
User::op_iterator arg_begin()
Return the iterator pointing to the beginning of the argument list.
Value * getArgOperand(unsigned i) const
User::op_iterator arg_end()
Return the iterator pointing to the end of the argument list.
unsigned arg_size() const
This class represents a function call, abstracting a target machine's calling convention.
Class to represented the control flow structure of an OpenMP canonical loop.
Value * getTripCount() const
Returns the llvm::Value containing the number of loop iterations.
BasicBlock * getHeader() const
The header is the entry for each iteration.
void assertOK() const
Consistency self-check.
Type * getIndVarType() const
Return the type of the induction variable (and the trip count).
BasicBlock * getBody() const
The body block is the single entry for a loop iteration and not controlled by CanonicalLoopInfo.
bool isValid() const
Returns whether this object currently represents the IR of a loop.
OpenMPIRBuilder::InsertPointTy getAfterIP() const
Return the insertion point for user code after the loop.
OpenMPIRBuilder::InsertPointTy getBodyIP() const
Return the insertion point for user code in the body.
BasicBlock * getAfter() const
The after block is intended for clean-up code such as lifetime end markers.
Function * getFunction() const
void invalidate()
Invalidate this loop.
BasicBlock * getLatch() const
Reaching the latch indicates the end of the loop body code.
OpenMPIRBuilder::InsertPointTy getPreheaderIP() const
Return the insertion point for user code before the loop.
BasicBlock * getCond() const
The condition block computes whether there is another loop iteration.
BasicBlock * getExit() const
Reaching the exit indicates no more iterations are being executed.
BasicBlock * getPreheader() const
The preheader ensures that there is only a single edge entering the loop.
Instruction * getIndVar() const
Returns the instruction representing the current logical induction variable.
Predicate
This enumeration lists the possible predicates for CmpInst subclasses.
@ ICMP_SLT
signed less than
@ ICMP_SLE
signed less or equal
@ FCMP_OLT
0 1 0 0 True if ordered and less than
@ FCMP_OGT
0 0 1 0 True if ordered and greater than
@ ICMP_UGT
unsigned greater than
@ ICMP_SGT
signed greater than
@ ICMP_ULT
unsigned less than
@ ICMP_ULE
unsigned less or equal
static Constant * get(ArrayType *T, ArrayRef< Constant * > V)
static Constant * getString(LLVMContext &Context, StringRef Initializer, bool AddNull=true)
This method constructs a CDS and initializes it with a text string.
static Constant * get(LLVMContext &Context, ArrayRef< ElementTy > Elts)
get() constructor - Return a constant with array type with an element count and element type matching...
A constant value that is initialized with an expression using other constant values.
static Constant * getPointerCast(Constant *C, Type *Ty)
Create a BitCast, AddrSpaceCast, or a PtrToInt cast constant expression.
static Constant * getPointerBitCastOrAddrSpaceCast(Constant *C, Type *Ty)
Create a BitCast or AddrSpaceCast for a pointer type depending on the address space.
static Constant * getAddrSpaceCast(Constant *C, Type *Ty, bool OnlyIfReduced=false)
Instruction * getAsInstruction() const
Returns an Instruction which implements the same operation as this ConstantExpr.
This is the shared class of boolean and integer constants.
static ConstantInt * getTrue(LLVMContext &Context)
static ConstantInt * getSigned(IntegerType *Ty, int64_t V)
Return a ConstantInt with the specified value for the specified type.
static ConstantInt * getFalse(LLVMContext &Context)
static ConstantPointerNull * get(PointerType *T)
Static factory methods - Return objects of the specified value.
static Constant * get(StructType *T, ArrayRef< Constant * > V)
This is an important base class in LLVM.
static Constant * getNullValue(Type *Ty)
Constructor to create a '0' constant of arbitrary type.
This class represents an Operation in the Expression.
uint64_t getNumOperands() const
A parsed version of the target data layout string in and methods for querying it.
unsigned getDefaultGlobalsAddressSpace() const
Align getABIIntegerTypeAlignment(unsigned BitWidth) const
Returns the minimum ABI-required alignment for an integer type of the specified bitwidth.
unsigned getAllocaAddrSpace() const
unsigned getPointerSize(unsigned AS=0) const
Layout pointer size in bytes, rounded up to a whole number of bytes.
unsigned getIndexSizeInBits(unsigned AS) const
Size in bits of index used for address calculation in getelementptr.
TypeSize getTypeSizeInBits(Type *Ty) const
Size examples:
TypeSize getTypeStoreSize(Type *Ty) const
Returns the maximum number of bytes that may be overwritten by storing the specified type.
Align getPrefTypeAlign(Type *Ty) const
Returns the preferred stack/global alignment for the specified type.
Analysis pass which computes a DominatorTree.
DominatorTree run(Function &F, FunctionAnalysisManager &)
Run the analysis pass over a function and produce a dominator tree.
Concrete subclass of DominatorTreeBase that is used to compute a normal dominator tree.
Lightweight error class with error context and mandatory checking.
A handy container for a FunctionType+Callee-pointer pair, which can be passed around as a single enti...
Class to represent function types.
static FunctionType * get(Type *Result, ArrayRef< Type * > Params, bool isVarArg)
This static method is the primary way of constructing a FunctionType.
void addFnAttr(Attribute::AttrKind Kind)
Add function attributes to this function.
static Function * Create(FunctionType *Ty, LinkageTypes Linkage, unsigned AddrSpace, const Twine &N="", Module *M=nullptr)
const BasicBlock & getEntryBlock() const
FunctionType * getFunctionType() const
Returns the FunctionType for me.
void removeFromParent()
removeFromParent - This method unlinks 'this' from the containing module, but does not delete it.
Attribute getFnAttribute(Attribute::AttrKind Kind) const
Return the attribute for the given attribute kind.
uint64_t getFnAttributeAsParsedInteger(StringRef Kind, uint64_t Default=0) const
For a string attribute Kind, parse attribute as an integer.
AttributeList getAttributes() const
Return the attribute list for this Function.
const Function & getFunction() const
LLVMContext & getContext() const
getContext - Return a reference to the LLVMContext associated with this function.
void addParamAttr(unsigned ArgNo, Attribute::AttrKind Kind)
adds the attribute to the list of attributes for the given arg.
Function::iterator insert(Function::iterator Position, BasicBlock *BB)
Insert BB in the basic block list at Position.
Type * getReturnType() const
Returns the type of the ret val.
void setCallingConv(CallingConv::ID CC)
Argument * getArg(unsigned i) const
bool hasMetadata() const
Return true if this value has any metadata attached to it.
void addMetadata(unsigned KindID, MDNode &MD)
Add a metadata attachment.
LinkageTypes getLinkage() const
void setLinkage(LinkageTypes LT)
Module * getParent()
Get the module that this global value is contained inside of...
void setDSOLocal(bool Local)
PointerType * getType() const
Global values are always pointers.
@ HiddenVisibility
The GV is hidden.
@ ProtectedVisibility
The GV is protected.
void setVisibility(VisibilityTypes V)
LinkageTypes
An enumeration for the kinds of linkage for global values.
@ PrivateLinkage
Like Internal, but omit from symbol table.
@ CommonLinkage
Tentative definitions.
@ InternalLinkage
Rename collisions when linking (static functions).
@ WeakODRLinkage
Same, but only replaced by something equivalent.
@ ExternalLinkage
Externally visible function.
@ WeakAnyLinkage
Keep one copy of named function when linking (weak)
@ LinkOnceODRLinkage
Same, but only replaced by something equivalent.
Type * getValueType() const
InsertPoint - A saved insertion point.
BasicBlock * getBlock() const
bool isSet() const
Returns true if this insert point is set.
BasicBlock::iterator getPoint() const
Common base class shared among various IRBuilders.
Value * CreateICmpULT(Value *LHS, Value *RHS, const Twine &Name="")
AtomicCmpXchgInst * CreateAtomicCmpXchg(Value *Ptr, Value *Cmp, Value *New, MaybeAlign Align, AtomicOrdering SuccessOrdering, AtomicOrdering FailureOrdering, SyncScope::ID SSID=SyncScope::System)
AllocaInst * CreateAlloca(Type *Ty, unsigned AddrSpace, Value *ArraySize=nullptr, const Twine &Name="")
Value * CreateInsertValue(Value *Agg, Value *Val, ArrayRef< unsigned > Idxs, const Twine &Name="")
Constant * CreateGlobalStringPtr(StringRef Str, const Twine &Name="", unsigned AddressSpace=0, Module *M=nullptr)
Same as CreateGlobalString, but return a pointer with "i8*" type instead of a pointer to array of i8.
Value * CreateZExtOrTrunc(Value *V, Type *DestTy, const Twine &Name="")
Create a ZExt or Trunc from the integer value V to DestTy.
UnreachableInst * CreateUnreachable()
Value * CreatePointerCast(Value *V, Type *DestTy, const Twine &Name="")
Value * CreateExtractValue(Value *Agg, ArrayRef< unsigned > Idxs, const Twine &Name="")
CallInst * CreateAlignmentAssumption(const DataLayout &DL, Value *PtrValue, unsigned Alignment, Value *OffsetValue=nullptr)
Create an assume intrinsic call that represents an alignment assumption on the provided pointer.
Value * CreateSelect(Value *C, Value *True, Value *False, const Twine &Name="", Instruction *MDFrom=nullptr)
BasicBlock::iterator GetInsertPoint() const
Value * CreateStructGEP(Type *Ty, Value *Ptr, unsigned Idx, const Twine &Name="")
Value * CreateSExt(Value *V, Type *DestTy, const Twine &Name="")
Value * CreateIntToPtr(Value *V, Type *DestTy, const Twine &Name="")
IntegerType * getInt32Ty()
Fetch the type representing a 32-bit integer.
BasicBlock * GetInsertBlock() const
void SetCurrentDebugLocation(DebugLoc L)
Set location information used by debugging information.
IntegerType * getInt64Ty()
Fetch the type representing a 64-bit integer.
Value * CreateInBoundsGEP(Type *Ty, Value *Ptr, ArrayRef< Value * > IdxList, const Twine &Name="")
Value * CreatePointerBitCastOrAddrSpaceCast(Value *V, Type *DestTy, const Twine &Name="")
Value * CreateUDiv(Value *LHS, Value *RHS, const Twine &Name="", bool isExact=false)
Value * CreateICmpNE(Value *LHS, Value *RHS, const Twine &Name="")
ConstantInt * getInt64(uint64_t C)
Get a constant 64-bit value.
Value * CreateNeg(Value *V, const Twine &Name="", bool HasNSW=false)
InsertPoint saveIP() const
Returns the current insert point.
ConstantInt * getInt32(uint32_t C)
Get a constant 32-bit value.
Value * CreateCmp(CmpInst::Predicate Pred, Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
PHINode * CreatePHI(Type *Ty, unsigned NumReservedValues, const Twine &Name="")
SwitchInst * CreateSwitch(Value *V, BasicBlock *Dest, unsigned NumCases=10, MDNode *BranchWeights=nullptr, MDNode *Unpredictable=nullptr)
Create a switch instruction with the specified value, default dest, and with a hint for the number of...
Value * CreateICmpEQ(Value *LHS, Value *RHS, const Twine &Name="")
InstTy * Insert(InstTy *I, const Twine &Name="") const
Insert and return the specified instruction.
DebugLoc getCurrentDebugLocation() const
Get location information used by debugging information.
Value * CreateSub(Value *LHS, Value *RHS, const Twine &Name="", bool HasNUW=false, bool HasNSW=false)
Value * CreateBitCast(Value *V, Type *DestTy, const Twine &Name="")
ConstantInt * getIntN(unsigned N, uint64_t C)
Get a constant N-bit value, zero extended or truncated from a 64-bit value.
BranchInst * CreateCondBr(Value *Cond, BasicBlock *True, BasicBlock *False, MDNode *BranchWeights=nullptr, MDNode *Unpredictable=nullptr)
Create a conditional 'br Cond, TrueDest, FalseDest' instruction.
LoadInst * CreateLoad(Type *Ty, Value *Ptr, const char *Name)
Provided to resolve 'CreateLoad(Ty, Ptr, "...")' correctly, instead of converting the string to 'bool...
Value * CreateZExt(Value *V, Type *DestTy, const Twine &Name="", bool IsNonNeg=false)
LLVMContext & getContext() const
Value * CreateAnd(Value *LHS, Value *RHS, const Twine &Name="")
ReturnInst * CreateRetVoid()
Create a 'ret void' instruction.
Value * CreateConstInBoundsGEP2_32(Type *Ty, Value *Ptr, unsigned Idx0, unsigned Idx1, const Twine &Name="")
Value * CreateConstInBoundsGEP2_64(Type *Ty, Value *Ptr, uint64_t Idx0, uint64_t Idx1, const Twine &Name="")
StoreInst * CreateStore(Value *Val, Value *Ptr, bool isVolatile=false)
Value * CreateAdd(Value *LHS, Value *RHS, const Twine &Name="", bool HasNUW=false, bool HasNSW=false)
Value * CreatePtrToInt(Value *V, Type *DestTy, const Twine &Name="")
Value * CreateIsNotNull(Value *Arg, const Twine &Name="")
Return a boolean value testing if Arg != 0.
AtomicRMWInst * CreateAtomicRMW(AtomicRMWInst::BinOp Op, Value *Ptr, Value *Val, MaybeAlign Align, AtomicOrdering Ordering, SyncScope::ID SSID=SyncScope::System)
Value * CreateTrunc(Value *V, Type *DestTy, const Twine &Name="", bool IsNUW=false, bool IsNSW=false)
Value * CreateOr(Value *LHS, Value *RHS, const Twine &Name="")
PointerType * getPtrTy(unsigned AddrSpace=0)
Fetch the type representing a pointer.
BranchInst * CreateBr(BasicBlock *Dest)
Create an unconditional 'br label X' instruction.
void ClearInsertionPoint()
Clear the insertion point: created instructions will not be inserted into a block.
Value * CreateICmpSLT(Value *LHS, Value *RHS, const Twine &Name="")
Value * CreateICmpUGE(Value *LHS, Value *RHS, const Twine &Name="")
Value * CreateIntCast(Value *V, Type *DestTy, bool isSigned, const Twine &Name="")
void restoreIP(InsertPoint IP)
Sets the current insert point to a previously-saved location.
Value * CreateIsNull(Value *Arg, const Twine &Name="")
Return a boolean value testing if Arg == 0.
void SetInsertPoint(BasicBlock *TheBB)
This specifies that created instructions should be appended to the end of the specified block.
Type * getVoidTy()
Fetch the type representing void.
StoreInst * CreateAlignedStore(Value *Val, Value *Ptr, MaybeAlign Align, bool isVolatile=false)
CallInst * CreateCall(FunctionType *FTy, Value *Callee, ArrayRef< Value * > Args=std::nullopt, const Twine &Name="", MDNode *FPMathTag=nullptr)
Value * CreateXor(Value *LHS, Value *RHS, const Twine &Name="")
Value * CreateGEP(Type *Ty, Value *Ptr, ArrayRef< Value * > IdxList, const Twine &Name="", bool IsInBounds=false)
Value * CreateICmp(CmpInst::Predicate P, Value *LHS, Value *RHS, const Twine &Name="")
IntegerType * getInt8Ty()
Fetch the type representing an 8-bit integer.
Value * CreateURem(Value *LHS, Value *RHS, const Twine &Name="")
CallInst * CreateMemCpy(Value *Dst, MaybeAlign DstAlign, Value *Src, MaybeAlign SrcAlign, uint64_t Size, bool isVolatile=false, MDNode *TBAATag=nullptr, MDNode *TBAAStructTag=nullptr, MDNode *ScopeTag=nullptr, MDNode *NoAliasTag=nullptr)
Create and insert a memcpy between the specified pointers.
Value * CreateSExtOrTrunc(Value *V, Type *DestTy, const Twine &Name="")
Create a SExt or Trunc from the integer value V to DestTy.
Value * CreateMul(Value *LHS, Value *RHS, const Twine &Name="", bool HasNUW=false, bool HasNSW=false)
This provides a uniform API for creating instructions and inserting them into a basic block: either a...
void removeFromParent()
This method unlinks 'this' from the containing basic block, but does not delete it.
void moveBeforePreserving(Instruction *MovePos)
Perform a moveBefore operation, while signalling that the caller intends to preserve the original ord...
unsigned getNumSuccessors() const LLVM_READONLY
Return the number of successors that this instruction has.
void insertBefore(Instruction *InsertPos)
Insert an unlinked instruction into a basic block immediately before the specified instruction.
const DebugLoc & getDebugLoc() const
Return the debug location for this node as a DebugLoc.
const BasicBlock * getParent() const
InstListType::iterator eraseFromParent()
This method unlinks 'this' from the containing basic block and deletes it.
static bool classof(const Value *V)
Methods for support type inquiry through isa, cast, and dyn_cast:
MDNode * getMetadata(unsigned KindID) const
Get the metadata of given kind attached to this Instruction.
BasicBlock * getSuccessor(unsigned Idx) const LLVM_READONLY
Return the specified successor. This instruction must be a terminator.
void setMetadata(unsigned KindID, MDNode *Node)
Set the metadata of the specified kind to the specified node.
void setDebugLoc(DebugLoc Loc)
Set the debug location information for this instruction.
void insertAfter(Instruction *InsertPos)
Insert an unlinked instruction into a basic block immediately after the specified instruction.
Class to represent integer types.
static IntegerType * get(LLVMContext &C, unsigned NumBits)
This static method is the primary way of constructing an IntegerType.
This is an important class for using LLVM in a threaded context.
An instruction for reading from memory.
void setAtomic(AtomicOrdering Ordering, SyncScope::ID SSID=SyncScope::System)
Sets the ordering constraint and the synchronization scope ID of this load instruction.
Analysis pass that exposes the LoopInfo for a function.
LoopInfo run(Function &F, FunctionAnalysisManager &AM)
LoopT * getLoopFor(const BlockT *BB) const
Return the inner most loop that BB lives in.
This class represents a loop nest and can be used to query its properties.
Represents a single loop in the control flow graph.
MDNode * createCallbackEncoding(unsigned CalleeArgNo, ArrayRef< int > Arguments, bool VarArgsArePassed)
Return metadata describing a callback (see llvm::AbstractCallSite).
void replaceOperandWith(unsigned I, Metadata *New)
Replace a specific operand.
static MDTuple * getDistinct(LLVMContext &Context, ArrayRef< Metadata * > MDs)
const MDOperand & getOperand(unsigned I) const
ArrayRef< MDOperand > operands() const
static MDTuple * get(LLVMContext &Context, ArrayRef< Metadata * > MDs)
static MDString * get(LLVMContext &Context, StringRef Str)
This class implements a map that also provides access to all stored values in a deterministic order.
static ErrorOr< std::unique_ptr< MemoryBuffer > > getFile(const Twine &Filename, bool IsText=false, bool RequiresNullTerminator=true, bool IsVolatile=false, std::optional< Align > Alignment=std::nullopt)
Open the specified file as a MemoryBuffer, returning a new MemoryBuffer if successful,...
A Module instance is used to store all the information related to an LLVM module.
LLVMContext & getContext() const
Get the global data context.
NamedMDNode * getNamedMetadata(const Twine &Name) const
Return the first NamedMDNode in the module with the specified name.
StringRef getName() const
Get a short "name" for the module.
const std::string & getTargetTriple() const
Get the target triple which is a string describing the target host.
iterator_range< global_iterator > globals()
const FunctionListType & getFunctionList() const
Get the Module's list of functions (constant).
GlobalVariable * getGlobalVariable(StringRef Name) const
Look up the specified global variable in the module symbol table.
GlobalValue * getNamedValue(StringRef Name) const
Return the global value in the module with the specified name, of arbitrary type.
NamedMDNode * getOrInsertNamedMetadata(StringRef Name)
Return the named MDNode in the module with the specified name.
const GlobalVariable * getNamedGlobal(StringRef Name) const
Return the global variable in the module with the specified name, of arbitrary type.
const DataLayout & getDataLayout() const
Get the data layout for the module's target platform.
iterator_range< op_iterator > operands()
void addOperand(MDNode *M)
Device global variable entries info.
Target region entries info.
Base class of the entries info.
@ OffloadingEntryInfoTargetRegion
Entry is a target region.
@ OffloadingEntryInfoDeviceGlobalVar
Entry is a declare target variable.
OMPTargetDeviceClauseKind
Kind of device clause for declare target variables and functions NOTE: Currently not used as a part o...
@ OMPTargetDeviceClauseAny
The target is marked for all devices.
void registerDeviceGlobalVarEntryInfo(StringRef VarName, Constant *Addr, int64_t VarSize, OMPTargetGlobalVarEntryKind Flags, GlobalValue::LinkageTypes Linkage)
Register device global variable entry.
void initializeDeviceGlobalVarEntryInfo(StringRef Name, OMPTargetGlobalVarEntryKind Flags, unsigned Order)
Initialize device global variable entry.
void actOnDeviceGlobalVarEntriesInfo(const OffloadDeviceGlobalVarEntryInfoActTy &Action)
OMPTargetRegionEntryKind
Kind of the target registry entry.
@ OMPTargetRegionEntryTargetRegion
Mark the entry as target region.
void getTargetRegionEntryFnName(SmallVectorImpl< char > &Name, const TargetRegionEntryInfo &EntryInfo)
bool hasTargetRegionEntryInfo(TargetRegionEntryInfo EntryInfo, bool IgnoreAddressId=false) const
Return true if a target region entry with the provided information exists.
void registerTargetRegionEntryInfo(TargetRegionEntryInfo EntryInfo, Constant *Addr, Constant *ID, OMPTargetRegionEntryKind Flags)
Register target region entry.
void actOnTargetRegionEntriesInfo(const OffloadTargetRegionEntryInfoActTy &Action)
unsigned size() const
Return number of entries defined so far.
void initializeTargetRegionEntryInfo(const TargetRegionEntryInfo &EntryInfo, unsigned Order)
Initialize target region entry.
OMPTargetGlobalVarEntryKind
Kind of the global variable entry..
@ OMPTargetGlobalVarEntryEnter
Mark the entry as a declare target enter.
@ OMPTargetGlobalRegisterRequires
Mark the entry as a register requires global.
@ OMPTargetGlobalVarEntryIndirect
Mark the entry as a declare target indirect global.
@ OMPTargetGlobalVarEntryLink
Mark the entry as a to declare target link.
@ OMPTargetGlobalVarEntryTo
Mark the entry as a to declare target.
bool hasDeviceGlobalVarEntryInfo(StringRef VarName) const
Checks if the variable with the given name has been registered already.
bool empty() const
Return true if a there are no entries defined.
std::optional< bool > IsTargetDevice
Flag to define whether to generate code for the role of the OpenMP host (if set to false) or device (...
StringRef separator() const
int64_t getRequiresFlags() const
Returns requires directive clauses as flags compatible with those expected by libomptarget.
StringRef firstSeparator() const
void setHasRequiresReverseOffload(bool Value)
bool hasRequiresUnifiedSharedMemory() const
void setHasRequiresUnifiedSharedMemory(bool Value)
bool hasRequiresDynamicAllocators() const
bool openMPOffloadMandatory() const
void setHasRequiresUnifiedAddress(bool Value)
bool isTargetDevice() const
void setHasRequiresDynamicAllocators(bool Value)
bool hasRequiresReverseOffload() const
bool hasRequiresFlags() const
bool hasRequiresUnifiedAddress() const
Struct that keeps the information that should be kept throughout a 'target data' region.
An interface to create LLVM-IR for OpenMP directives.
Constant * getOrCreateIdent(Constant *SrcLocStr, uint32_t SrcLocStrSize, omp::IdentFlag Flags=omp::IdentFlag(0), unsigned Reserve2Flags=0)
Return an ident_t* encoding the source location SrcLocStr and Flags.
FunctionCallee getOrCreateRuntimeFunction(Module &M, omp::RuntimeFunction FnID)
Return the function declaration for the runtime function with FnID.
std::function< void(InsertPointTy CodeGenIP)> FinalizeCallbackTy
Callback type for variable finalization (think destructors).
InsertPointTy createTargetInit(const LocationDescription &Loc, bool IsSPMD, int32_t MinThreadsVal=0, int32_t MaxThreadsVal=0, int32_t MinTeamsVal=0, int32_t MaxTeamsVal=0)
The omp target interface.
void emitIfClause(Value *Cond, BodyGenCallbackTy ThenGen, BodyGenCallbackTy ElseGen, InsertPointTy AllocaIP={})
Emits code for OpenMP 'if' clause using specified BodyGenCallbackTy Here is the logic: if (Cond) { Th...
CanonicalLoopInfo * collapseLoops(DebugLoc DL, ArrayRef< CanonicalLoopInfo * > Loops, InsertPointTy ComputeIP)
Collapse a loop nest into a single loop.
void createTaskyield(const LocationDescription &Loc)
Generator for '#omp taskyield'.
void emitBranch(BasicBlock *Target)
InsertPointTy createAtomicWrite(const LocationDescription &Loc, AtomicOpValue &X, Value *Expr, AtomicOrdering AO)
Emit atomic write for : X = Expr — Only Scalar data types.
static void writeThreadBoundsForKernel(const Triple &T, Function &Kernel, int32_t LB, int32_t UB)
InsertPointTy createCritical(const LocationDescription &Loc, BodyGenCallbackTy BodyGenCB, FinalizeCallbackTy FiniCB, StringRef CriticalName, Value *HintInst)
Generator for '#omp critical'.
static TargetRegionEntryInfo getTargetEntryUniqueInfo(FileIdentifierInfoCallbackTy CallBack, StringRef ParentName="")
Creates a unique info for a target entry when provided a filename and line number from.
void emitTaskwaitImpl(const LocationDescription &Loc)
Generate a taskwait runtime call.
Constant * registerTargetRegionFunction(TargetRegionEntryInfo &EntryInfo, Function *OutlinedFunction, StringRef EntryFnName, StringRef EntryFnIDName)
Registers the given function and sets up the attribtues of the function Returns the FunctionID.
InsertPointTy createAtomicCapture(const LocationDescription &Loc, InsertPointTy AllocaIP, AtomicOpValue &X, AtomicOpValue &V, Value *Expr, AtomicOrdering AO, AtomicRMWInst::BinOp RMWOp, AtomicUpdateCallbackTy &UpdateOp, bool UpdateExpr, bool IsPostfixUpdate, bool IsXBinopExpr)
Emit atomic update for constructs: — Only Scalar data types V = X; X = X BinOp Expr ,...
void initialize()
Initialize the internal state, this will put structures types and potentially other helpers into the ...
void createTargetDeinit(const LocationDescription &Loc, int32_t TeamsReductionDataSize=0, int32_t TeamsReductionBufferLength=1024)
Create a runtime call for kmpc_target_deinit.
CanonicalLoopInfo * createCanonicalLoop(const LocationDescription &Loc, LoopBodyGenCallbackTy BodyGenCB, Value *TripCount, const Twine &Name="loop")
Generator for the control flow structure of an OpenMP canonical loop.
void loadOffloadInfoMetadata(Module &M)
Loads all the offload entries information from the host IR metadata.
InsertPointTy createAtomicUpdate(const LocationDescription &Loc, InsertPointTy AllocaIP, AtomicOpValue &X, Value *Expr, AtomicOrdering AO, AtomicRMWInst::BinOp RMWOp, AtomicUpdateCallbackTy &UpdateOp, bool IsXBinopExpr)
Emit atomic update for constructs: X = X BinOp Expr ,or X = Expr BinOp X For complex Operations: X = ...
InsertPointTy emitBarrierImpl(const LocationDescription &Loc, omp::Directive DK, bool ForceSimpleCall, bool CheckCancelFlag)
Generate a barrier runtime call.
void unrollLoopFull(DebugLoc DL, CanonicalLoopInfo *Loop)
Fully unroll a loop.
void emitFlush(const LocationDescription &Loc)
Generate a flush runtime call.
InsertPointTy emitKernelLaunch(const LocationDescription &Loc, Function *OutlinedFn, Value *OutlinedFnID, EmitFallbackCallbackTy EmitTargetCallFallbackCB, TargetKernelArgs &Args, Value *DeviceID, Value *RTLoc, InsertPointTy AllocaIP)
Generate a target region entry call and host fallback call.
InsertPointTy createCancel(const LocationDescription &Loc, Value *IfCondition, omp::Directive CanceledDirective)
Generator for '#omp cancel'.
static std::pair< int32_t, int32_t > readThreadBoundsForKernel(const Triple &T, Function &Kernel)
}
OpenMPIRBuilderConfig Config
The OpenMPIRBuilder Configuration.
CallInst * createOMPInteropDestroy(const LocationDescription &Loc, Value *InteropVar, Value *Device, Value *NumDependences, Value *DependenceAddress, bool HaveNowaitClause)
Create a runtime call for __tgt_interop_destroy.
InsertPointTy createAtomicRead(const LocationDescription &Loc, AtomicOpValue &X, AtomicOpValue &V, AtomicOrdering AO)
Emit atomic Read for : V = X — Only Scalar data types.
std::function< void(EmitMetadataErrorKind, TargetRegionEntryInfo)> EmitMetadataErrorReportFunctionTy
Callback function type.
InsertPointTy createOrderedThreadsSimd(const LocationDescription &Loc, BodyGenCallbackTy BodyGenCB, FinalizeCallbackTy FiniCB, bool IsThreads)
Generator for '#omp ordered [threads | simd]'.
OpenMPIRBuilder::InsertPointTy createTargetData(const LocationDescription &Loc, InsertPointTy AllocaIP, InsertPointTy CodeGenIP, Value *DeviceID, Value *IfCond, TargetDataInfo &Info, GenMapInfoCallbackTy GenMapInfoCB, omp::RuntimeFunction *MapperFunc=nullptr, function_ref< InsertPointTy(InsertPointTy CodeGenIP, BodyGenTy BodyGenType)> BodyGenCB=nullptr, function_ref< void(unsigned int, Value *)> DeviceAddrCB=nullptr, function_ref< Value *(unsigned int)> CustomMapperCB=nullptr, Value *SrcLocInfo=nullptr)
Generator for '#omp target data'.
std::forward_list< CanonicalLoopInfo > LoopInfos
Collection of owned canonical loop objects that eventually need to be free'd.
void createTaskwait(const LocationDescription &Loc)
Generator for '#omp taskwait'.
CanonicalLoopInfo * createLoopSkeleton(DebugLoc DL, Value *TripCount, Function *F, BasicBlock *PreInsertBefore, BasicBlock *PostInsertBefore, const Twine &Name={})
Create the control flow structure of a canonical OpenMP loop.
InsertPointTy createBarrier(const LocationDescription &Loc, omp::Directive DK, bool ForceSimpleCall=false, bool CheckCancelFlag=true)
Emitter methods for OpenMP directives.
std::string createPlatformSpecificName(ArrayRef< StringRef > Parts) const
Get the create a name using the platform specific separators.
FunctionCallee createDispatchNextFunction(unsigned IVSize, bool IVSigned)
Returns __kmpc_dispatch_next_* runtime function for the specified size IVSize and sign IVSigned.
static void getKernelArgsVector(TargetKernelArgs &KernelArgs, IRBuilderBase &Builder, SmallVector< Value * > &ArgsVector)
Create the kernel args vector used by emitTargetKernel.
void unrollLoopHeuristic(DebugLoc DL, CanonicalLoopInfo *Loop)
Fully or partially unroll a loop.
omp::OpenMPOffloadMappingFlags getMemberOfFlag(unsigned Position)
Get OMP_MAP_MEMBER_OF flag with extra bits reserved based on the position given.
void addAttributes(omp::RuntimeFunction FnID, Function &Fn)
Add attributes known for FnID to Fn.
Module & M
The underlying LLVM-IR module.
StringMap< Constant * > SrcLocStrMap
Map to remember source location strings.
void createMapperAllocas(const LocationDescription &Loc, InsertPointTy AllocaIP, unsigned NumOperands, struct MapperAllocas &MapperAllocas)
Create the allocas instruction used in call to mapper functions.
Constant * getOrCreateSrcLocStr(StringRef LocStr, uint32_t &SrcLocStrSize)
Return the (LLVM-IR) string describing the source location LocStr.
void addOutlineInfo(OutlineInfo &&OI)
Add a new region that will be outlined later.
FunctionCallee createDispatchFiniFunction(unsigned IVSize, bool IVSigned)
Returns __kmpc_dispatch_fini_* runtime function for the specified size IVSize and sign IVSigned.
void emitOffloadingArraysArgument(IRBuilderBase &Builder, OpenMPIRBuilder::TargetDataRTArgs &RTArgs, OpenMPIRBuilder::TargetDataInfo &Info, bool EmitDebug=false, bool ForEndCall=false)
Emit the arguments to be passed to the runtime library based on the arrays of base pointers,...
void unrollLoopPartial(DebugLoc DL, CanonicalLoopInfo *Loop, int32_t Factor, CanonicalLoopInfo **UnrolledCLI)
Partially unroll a loop.
InsertPointTy createSections(const LocationDescription &Loc, InsertPointTy AllocaIP, ArrayRef< StorableBodyGenCallbackTy > SectionCBs, PrivatizeCallbackTy PrivCB, FinalizeCallbackTy FiniCB, bool IsCancellable, bool IsNowait)
Generator for '#omp sections'.
InsertPointTy createTask(const LocationDescription &Loc, InsertPointTy AllocaIP, BodyGenCallbackTy BodyGenCB, bool Tied=true, Value *Final=nullptr, Value *IfCondition=nullptr, SmallVector< DependData > Dependencies={})
Generator for #omp task
void emitTaskyieldImpl(const LocationDescription &Loc)
Generate a taskyield runtime call.
void emitMapperCall(const LocationDescription &Loc, Function *MapperFunc, Value *SrcLocInfo, Value *MaptypesArg, Value *MapnamesArg, struct MapperAllocas &MapperAllocas, int64_t DeviceID, unsigned NumOperands)
Create the call for the target mapper function.
InsertPointTy createReductions(const LocationDescription &Loc, InsertPointTy AllocaIP, ArrayRef< ReductionInfo > ReductionInfos, bool IsNoWait=false, bool IsByRef=false)
Generator for '#omp reduction'.
InsertPointTy createAtomicCompare(const LocationDescription &Loc, AtomicOpValue &X, AtomicOpValue &V, AtomicOpValue &R, Value *E, Value *D, AtomicOrdering AO, omp::OMPAtomicCompareOp Op, bool IsXBinopExpr, bool IsPostfixUpdate, bool IsFailOnly)
Emit atomic compare for constructs: — Only scalar data types cond-expr-stmt: x = x ordop expr ?...
InsertPointTy createOrderedDepend(const LocationDescription &Loc, InsertPointTy AllocaIP, unsigned NumLoops, ArrayRef< llvm::Value * > StoreValues, const Twine &Name, bool IsDependSource)
Generator for '#omp ordered depend (source | sink)'.
InsertPointTy createCopyinClauseBlocks(InsertPointTy IP, Value *MasterAddr, Value *PrivateAddr, llvm::IntegerType *IntPtrTy, bool BranchtoEnd=true)
Generate conditional branch and relevant BasicBlocks through which private threads copy the 'copyin' ...
void emitOffloadingArrays(InsertPointTy AllocaIP, InsertPointTy CodeGenIP, MapInfosTy &CombinedInfo, TargetDataInfo &Info, bool IsNonContiguous=false, function_ref< void(unsigned int, Value *)> DeviceAddrCB=nullptr, function_ref< Value *(unsigned int)> CustomMapperCB=nullptr)
Emit the arrays used to pass the captures and map information to the offloading runtime library.
SmallVector< FinalizationInfo, 8 > FinalizationStack
The finalization stack made up of finalize callbacks currently in-flight, wrapped into FinalizationIn...
std::vector< CanonicalLoopInfo * > tileLoops(DebugLoc DL, ArrayRef< CanonicalLoopInfo * > Loops, ArrayRef< Value * > TileSizes)
Tile a loop nest.
CallInst * createOMPInteropInit(const LocationDescription &Loc, Value *InteropVar, omp::OMPInteropType InteropType, Value *Device, Value *NumDependences, Value *DependenceAddress, bool HaveNowaitClause)
Create a runtime call for __tgt_interop_init.
void finalize(Function *Fn=nullptr)
Finalize the underlying module, e.g., by outlining regions.
SmallVector< OutlineInfo, 16 > OutlineInfos
Collection of regions that need to be outlined during finalization.
Function * getOrCreateRuntimeFunctionPtr(omp::RuntimeFunction FnID)
const Triple T
The target triple of the underlying module.
DenseMap< std::pair< Constant *, uint64_t >, Constant * > IdentMap
Map to remember existing ident_t*.
CallInst * createOMPFree(const LocationDescription &Loc, Value *Addr, Value *Allocator, std::string Name="")
Create a runtime call for kmpc_free.
FunctionCallee createForStaticInitFunction(unsigned IVSize, bool IVSigned, bool IsGPUDistribute)
Returns __kmpc_for_static_init_* runtime function for the specified size IVSize and sign IVSigned.
CallInst * createOMPAlloc(const LocationDescription &Loc, Value *Size, Value *Allocator, std::string Name="")
Create a runtime call for kmpc_Alloc.
void emitNonContiguousDescriptor(InsertPointTy AllocaIP, InsertPointTy CodeGenIP, MapInfosTy &CombinedInfo, TargetDataInfo &Info)
Emit an array of struct descriptors to be assigned to the offload args.
InsertPointTy createSection(const LocationDescription &Loc, BodyGenCallbackTy BodyGenCB, FinalizeCallbackTy FiniCB)
Generator for '#omp section'.
InsertPointTy applyWorkshareLoop(DebugLoc DL, CanonicalLoopInfo *CLI, InsertPointTy AllocaIP, bool NeedsBarrier, llvm::omp::ScheduleKind SchedKind=llvm::omp::OMP_SCHEDULE_Default, Value *ChunkSize=nullptr, bool HasSimdModifier=false, bool HasMonotonicModifier=false, bool HasNonmonotonicModifier=false, bool HasOrderedClause=false, omp::WorksharingLoopType LoopType=omp::WorksharingLoopType::ForStaticLoop)
Modifies the canonical loop to be a workshare loop.
void emitBlock(BasicBlock *BB, Function *CurFn, bool IsFinished=false)
Value * getOrCreateThreadID(Value *Ident)
Return the current thread ID.
InsertPointTy createMaster(const LocationDescription &Loc, BodyGenCallbackTy BodyGenCB, FinalizeCallbackTy FiniCB)
Generator for '#omp master'.
IRBuilder ::InsertPoint createParallel(const LocationDescription &Loc, InsertPointTy AllocaIP, BodyGenCallbackTy BodyGenCB, PrivatizeCallbackTy PrivCB, FinalizeCallbackTy FiniCB, Value *IfCondition, Value *NumThreads, omp::ProcBindKind ProcBind, bool IsCancellable)
Generator for '#omp parallel'.
StringMap< GlobalVariable *, BumpPtrAllocator > InternalVars
An ordered map of auto-generated variables to their unique names.
GlobalVariable * getOrCreateInternalVariable(Type *Ty, const StringRef &Name, unsigned AddressSpace=0)
Gets (if variable with the given name already exist) or creates internal global variable with the spe...
FunctionCallee createDispatchInitFunction(unsigned IVSize, bool IVSigned)
Returns __kmpc_dispatch_init_* runtime function for the specified size IVSize and sign IVSigned.
InsertPointTy createSingle(const LocationDescription &Loc, BodyGenCallbackTy BodyGenCB, FinalizeCallbackTy FiniCB, bool IsNowait, ArrayRef< llvm::Value * > CPVars={}, ArrayRef< llvm::Function * > CPFuncs={})
Generator for '#omp single'.
CallInst * createOMPInteropUse(const LocationDescription &Loc, Value *InteropVar, Value *Device, Value *NumDependences, Value *DependenceAddress, bool HaveNowaitClause)
Create a runtime call for __tgt_interop_use.
IRBuilder<>::InsertPoint InsertPointTy
Type used throughout for insertion points.
GlobalVariable * createOffloadMapnames(SmallVectorImpl< llvm::Constant * > &Names, std::string VarName)
Create the global variable holding the offload names information.
static void writeTeamsForKernel(const Triple &T, Function &Kernel, int32_t LB, int32_t UB)
std::function< Function *(StringRef FunctionName)> FunctionGenCallback
Functions used to generate a function with the given name.
void setCorrectMemberOfFlag(omp::OpenMPOffloadMappingFlags &Flags, omp::OpenMPOffloadMappingFlags MemberOfFlag)
Given an initial flag set, this function modifies it to contain the passed in MemberOfFlag generated ...
void emitCancelationCheckImpl(Value *CancelFlag, omp::Directive CanceledDirective, FinalizeCallbackTy ExitCB={})
Generate control flow and cleanup for cancellation.
Constant * getOrCreateDefaultSrcLocStr(uint32_t &SrcLocStrSize)
Return the (LLVM-IR) string describing the default source location.
InsertPointTy createMasked(const LocationDescription &Loc, BodyGenCallbackTy BodyGenCB, FinalizeCallbackTy FiniCB, Value *Filter)
Generator for '#omp masked'.
void createOffloadEntry(Constant *ID, Constant *Addr, uint64_t Size, int32_t Flags, GlobalValue::LinkageTypes, StringRef Name="")
Creates offloading entry for the provided entry ID ID, address Addr, size Size, and flags Flags.
static unsigned getOpenMPDefaultSimdAlign(const Triple &TargetTriple, const StringMap< bool > &Features)
Get the default alignment value for given target.
unsigned getFlagMemberOffset()
Get the offset of the OMP_MAP_MEMBER_OF field.
InsertPointTy createTaskgroup(const LocationDescription &Loc, InsertPointTy AllocaIP, BodyGenCallbackTy BodyGenCB)
Generator for the taskgroup construct.
void createOffloadEntriesAndInfoMetadata(EmitMetadataErrorReportFunctionTy &ErrorReportFunction)
void applySimd(CanonicalLoopInfo *Loop, MapVector< Value *, Value * > AlignedVars, Value *IfCond, omp::OrderKind Order, ConstantInt *Simdlen, ConstantInt *Safelen)
Add metadata to simd-ize a loop.
void emitTargetRegionFunction(TargetRegionEntryInfo &EntryInfo, FunctionGenCallback &GenerateFunctionCallback, bool IsOffloadEntry, Function *&OutlinedFn, Constant *&OutlinedFnID)
Create a unique name for the entry function using the source location information of the current targ...
InsertPointTy createTarget(const LocationDescription &Loc, OpenMPIRBuilder::InsertPointTy AllocaIP, OpenMPIRBuilder::InsertPointTy CodeGenIP, TargetRegionEntryInfo &EntryInfo, int32_t NumTeams, int32_t NumThreads, SmallVectorImpl< Value * > &Inputs, GenMapInfoCallbackTy GenMapInfoCB, TargetBodyGenCallbackTy BodyGenCB, TargetGenArgAccessorsCallbackTy ArgAccessorFuncCB)
Generator for '#omp target'.
bool isLastFinalizationInfoCancellable(omp::Directive DK)
Return true if the last entry in the finalization stack is of kind DK and cancellable.
InsertPointTy emitTargetKernel(const LocationDescription &Loc, InsertPointTy AllocaIP, Value *&Return, Value *Ident, Value *DeviceID, Value *NumTeams, Value *NumThreads, Value *HostPtr, ArrayRef< Value * > KernelArgs)
Generate a target region entry call.
GlobalVariable * createOffloadMaptypes(SmallVectorImpl< uint64_t > &Mappings, std::string VarName)
Create the global variable holding the offload mappings information.
CallInst * createCachedThreadPrivate(const LocationDescription &Loc, llvm::Value *Pointer, llvm::ConstantInt *Size, const llvm::Twine &Name=Twine(""))
Create a runtime call for kmpc_threadprivate_cached.
IRBuilder Builder
The LLVM-IR Builder used to create IR.
GlobalValue * createGlobalFlag(unsigned Value, StringRef Name)
Create a hidden global flag Name in the module with initial value Value.
Value * getSizeInBytes(Value *BasePtr)
Computes the size of type in bytes.
void registerTargetGlobalVariable(OffloadEntriesInfoManager::OMPTargetGlobalVarEntryKind CaptureClause, OffloadEntriesInfoManager::OMPTargetDeviceClauseKind DeviceClause, bool IsDeclaration, bool IsExternallyVisible, TargetRegionEntryInfo EntryInfo, StringRef MangledName, std::vector< GlobalVariable * > &GeneratedRefs, bool OpenMPSIMD, std::vector< Triple > TargetTriple, std::function< Constant *()> GlobalInitializer, std::function< GlobalValue::LinkageTypes()> VariableLinkage, Type *LlvmPtrTy, Constant *Addr)
Registers a target variable for device or host.
InsertPointTy createTeams(const LocationDescription &Loc, BodyGenCallbackTy BodyGenCB, Value *NumTeamsLower=nullptr, Value *NumTeamsUpper=nullptr, Value *ThreadLimit=nullptr, Value *IfExpr=nullptr)
Generator for #omp teams
BodyGenTy
Type of BodyGen to use for region codegen.
SmallVector< llvm::Function *, 16 > ConstantAllocaRaiseCandidates
A collection of candidate target functions that's constant allocas will attempt to be raised on a cal...
OffloadEntriesInfoManager OffloadInfoManager
Info manager to keep track of target regions.
static std::pair< int32_t, int32_t > readTeamBoundsForKernel(const Triple &T, Function &Kernel)
Read/write a bounds on teams for Kernel.
std::function< std::tuple< std::string, uint64_t >()> FileIdentifierInfoCallbackTy
const std::string ompOffloadInfoName
OMP Offload Info Metadata name string.
InsertPointTy createCopyPrivate(const LocationDescription &Loc, llvm::Value *BufSize, llvm::Value *CpyBuf, llvm::Value *CpyFn, llvm::Value *DidIt)
Generator for __kmpc_copyprivate.
bool updateToLocation(const LocationDescription &Loc)
Update the internal location to Loc.
void createFlush(const LocationDescription &Loc)
Generator for '#omp flush'.
Constant * getAddrOfDeclareTargetVar(OffloadEntriesInfoManager::OMPTargetGlobalVarEntryKind CaptureClause, OffloadEntriesInfoManager::OMPTargetDeviceClauseKind DeviceClause, bool IsDeclaration, bool IsExternallyVisible, TargetRegionEntryInfo EntryInfo, StringRef MangledName, std::vector< GlobalVariable * > &GeneratedRefs, bool OpenMPSIMD, std::vector< Triple > TargetTriple, Type *LlvmPtrTy, std::function< Constant *()> GlobalInitializer, std::function< GlobalValue::LinkageTypes()> VariableLinkage)
Retrieve (or create if non-existent) the address of a declare target variable, used in conjunction wi...
EmitMetadataErrorKind
The kind of errors that can occur when emitting the offload entries and metadata.
@ EMIT_MD_DECLARE_TARGET_ERROR
@ EMIT_MD_GLOBAL_VAR_LINK_ERROR
@ EMIT_MD_TARGET_REGION_ERROR
void addIncoming(Value *V, BasicBlock *BB)
Add an incoming value to the end of the PHI list.
Pseudo-analysis pass that exposes the PassInstrumentation to pass managers.
Class to represent pointers.
static PointerType * getUnqual(Type *ElementType)
This constructs a pointer to an object of the specified type in the default address space (address sp...
Analysis pass that exposes the ScalarEvolution for a function.
ScalarEvolution run(Function &F, FunctionAnalysisManager &AM)
The main scalar evolution driver.
A vector that has set insertion semantics.
bool empty() const
Determine if the SetVector is empty or not.
This is a 'bitvector' (really, a variable-sized bit array), optimized for the case when the array is ...
bool test(unsigned Idx) const
bool all() const
Returns true if all bits are set.
bool any() const
Returns true if any bit is set.
A templated base class for SmallPtrSet which provides the typesafe interface that is common across al...
size_type count(ConstPtrType Ptr) const
count - Return 1 if the specified pointer is in the set, 0 otherwise.
std::pair< iterator, bool > insert(PtrType Ptr)
Inserts Ptr if and only if there is no element in the container equal to Ptr.
SmallPtrSet - This class implements a set which is optimized for holding SmallSize or less elements.
SmallSet - This maintains a set of unique values, optimizing for the case when the set is small (less...
std::pair< const_iterator, bool > insert(const T &V)
insert - Insert an element into the set if it isn't already there.
SmallString - A SmallString is just a SmallVector with methods and accessors that make it work better...
void append(StringRef RHS)
Append from a StringRef.
StringRef str() const
Explicit conversion to StringRef.
This class consists of common code factored out of the SmallVector class to reduce code duplication b...
reference emplace_back(ArgTypes &&... Args)
void reserve(size_type N)
void append(ItTy in_start, ItTy in_end)
Add the specified range to the end of the SmallVector.
void push_back(const T &Elt)
This is a 'vector' (really, a variable-sized array), optimized for the case when the array is small.
An instruction for storing to memory.
void setAlignment(Align Align)
void setAtomic(AtomicOrdering Ordering, SyncScope::ID SSID=SyncScope::System)
Sets the ordering constraint and the synchronization scope ID of this store instruction.
StringMap - This is an unconventional map that is specialized for handling keys that are "strings",...
ValueTy lookup(StringRef Key) const
lookup - Return the entry for the specified key, or a default constructed value if no such entry exis...
StringRef - Represent a constant reference to a string, i.e.
std::pair< StringRef, StringRef > split(char Separator) const
Split into two substrings around the first occurrence of a separator character.
constexpr bool empty() const
empty - Check if the string is empty.
constexpr size_t size() const
size - Get the string size.
size_t count(char C) const
Return the number of occurrences of C in the string.
bool ends_with(StringRef Suffix) const
Check if this string ends with the given Suffix.
StringRef drop_back(size_t N=1) const
Return a StringRef equal to 'this' but with the last N elements dropped.
Class to represent struct types.
static StructType * create(LLVMContext &Context, StringRef Name)
This creates an identified struct.
void addCase(ConstantInt *OnVal, BasicBlock *Dest)
Add an entry to the switch instruction.
Analysis pass providing the TargetTransformInfo.
Result run(const Function &F, FunctionAnalysisManager &)
Analysis pass providing the TargetLibraryInfo.
Target - Wrapper for Target specific information.
TargetMachine * createTargetMachine(StringRef TT, StringRef CPU, StringRef Features, const TargetOptions &Options, std::optional< Reloc::Model > RM, std::optional< CodeModel::Model > CM=std::nullopt, CodeGenOptLevel OL=CodeGenOptLevel::Default, bool JIT=false) const
createTargetMachine - Create a target specific machine implementation for the specified Triple.
Triple - Helper class for working with autoconf configuration names.
bool isPPC() const
Tests whether the target is PowerPC (32- or 64-bit LE or BE).
bool isX86() const
Tests whether the target is x86 (32- or 64-bit).
bool isWasm() const
Tests whether the target is wasm (32- and 64-bit).
Twine - A lightweight data structure for efficiently representing the concatenation of temporary valu...
std::string str() const
Return the twine contents as a std::string.
The instances of the Type class are immutable: once they are created, they are never changed.
unsigned getIntegerBitWidth() const
bool isPointerTy() const
True if this is an instance of PointerType.
static IntegerType * getInt1Ty(LLVMContext &C)
unsigned getScalarSizeInBits() const LLVM_READONLY
If this is a vector type, return the getPrimitiveSizeInBits value for the element type.
static Type * getVoidTy(LLVMContext &C)
bool isFloatingPointTy() const
Return true if this is one of the floating-point types.
static IntegerType * getInt32Ty(LLVMContext &C)
static IntegerType * getInt64Ty(LLVMContext &C)
bool isIntegerTy() const
True if this is an instance of IntegerType.
bool isVoidTy() const
Return true if this is 'void'.
This function has undefined behavior.
Produce an estimate of the unrolled cost of the specified loop.
bool canUnroll() const
Whether it is legal to unroll this loop.
uint64_t getRolledLoopSize() const
A Use represents the edge between a Value definition and its users.
void setOperand(unsigned i, Value *Val)
Value * getOperand(unsigned i) const
ValueT lookup(const KeyT &Val) const
lookup - Return the entry for the specified key, or a default constructed value if no such entry exis...
LLVM Value Representation.
Type * getType() const
All values are typed, get the type of this value.
user_iterator user_begin()
void setName(const Twine &Name)
Change the name of the value.
void replaceAllUsesWith(Value *V)
Change all uses of this to point to a new Value.
iterator_range< user_iterator > users()
Align getPointerAlignment(const DataLayout &DL) const
Returns an alignment of the pointer value.
void replaceUsesWithIf(Value *New, llvm::function_ref< bool(Use &U)> ShouldReplace)
Go through the uses list for this definition and make each use point to "V" if the callback ShouldRep...
User * getUniqueUndroppableUser()
Return true if there is exactly one unique user of this value that cannot be dropped (that user can h...
unsigned getNumUses() const
This method computes the number of uses of this Value.
iterator_range< use_iterator > uses()
StringRef getName() const
Return a constant reference to the value's name.
An efficient, type-erasing, non-owning reference to a callable.
self_iterator getIterator()
NodeTy * getNextNode()
Get the next node, or nullptr for the list tail.
iterator insertAfter(iterator where, pointer New)
A raw_ostream that writes to an SmallVector or SmallString.
#define llvm_unreachable(msg)
Marks that the current location is not supposed to be reachable.
unsigned ID
LLVM IR allows to use arbitrary numbers as calling convention identifiers.
@ AMDGPU_KERNEL
Used for AMDGPU code object kernels.
@ C
The default llvm calling convention, compatible with C.
initializer< Ty > init(const Ty &Val)
void emitOffloadingEntry(Module &M, Constant *Addr, StringRef Name, uint64_t Size, int32_t Flags, int32_t Data, StringRef SectionName)
Create an offloading section struct used to register this global at runtime.
OpenMPOffloadMappingFlags
Values for bit flags used to specify the mapping type for offloading.
@ OMP_MAP_PTR_AND_OBJ
The element being mapped is a pointer-pointee pair; both the pointer and the pointee should be mapped...
@ OMP_MAP_MEMBER_OF
The 16 MSBs of the flags indicate whether the entry is member of some struct/class.
@ OMP_DEVICEID_UNDEF
Device ID if the device was not defined, runtime should get it from environment variables in the spec...
IdentFlag
IDs for all omp runtime library ident_t flag encodings (see their defintion in openmp/runtime/src/kmp...
RuntimeFunction
IDs for all omp runtime library (RTL) functions.
static constexpr GV NVPTXGridValues
For Nvidia GPUs.
@ OMP_TGT_EXEC_MODE_GENERIC
WorksharingLoopType
A type of worksharing loop construct.
OMPAtomicCompareOp
Atomic compare operations. Currently OpenMP only supports ==, >, and <.
NodeAddr< PhiNode * > Phi
std::error_code getUniqueID(const Twine Path, UniqueID &Result)
This is an optimization pass for GlobalISel generic memory operations.
auto drop_begin(T &&RangeOrContainer, size_t N=1)
Return a range covering RangeOrContainer with the first N elements excluded.
BasicBlock * splitBBWithSuffix(IRBuilderBase &Builder, bool CreateBranch, llvm::Twine Suffix=".split")
Like splitBB, but reuses the current block's name for the new name.
detail::zippy< detail::zip_shortest, T, U, Args... > zip(T &&t, U &&u, Args &&...args)
zip iterator for two or more iteratable types.
bool all_of(R &&range, UnaryPredicate P)
Provide wrappers to std::all_of which take ranges instead of having to pass begin/end explicitly.
auto size(R &&Range, std::enable_if_t< std::is_base_of< std::random_access_iterator_tag, typename std::iterator_traits< decltype(Range.begin())>::iterator_category >::value, void > *=nullptr)
Get the size of a range.
Expected< std::unique_ptr< Module > > parseBitcodeFile(MemoryBufferRef Buffer, LLVMContext &Context, ParserCallbacks Callbacks={})
Read the specified bitcode file, returning the module.
uint64_t divideCeil(uint64_t Numerator, uint64_t Denominator)
Returns the integer ceil(Numerator / Denominator).
auto enumerate(FirstRange &&First, RestRanges &&...Rest)
Given two or more input ranges, returns a new range whose values are are tuples (A,...
decltype(auto) dyn_cast(const From &Val)
dyn_cast<X> - Return the argument parameter cast to the specified type.
auto successors(const MachineBasicBlock *BB)
testing::Matcher< const detail::ErrorHolder & > Failed()
iterator_range< T > make_range(T x, T y)
Convenience function for iterating over sub-ranges.
void append_range(Container &C, Range &&R)
Wrapper function to append range R to container C.
iterator_range< early_inc_iterator_impl< detail::IterOfRange< RangeT > > > make_early_inc_range(RangeT &&Range)
Make a range that does early increment to allow mutation of the underlying range without disrupting i...
ErrorOr< T > expectedToErrorOrAndEmitErrors(LLVMContext &Ctx, Expected< T > Val)
BasicBlock * CloneBasicBlock(const BasicBlock *BB, ValueToValueMapTy &VMap, const Twine &NameSuffix="", Function *F=nullptr, ClonedCodeInfo *CodeInfo=nullptr, DebugInfoFinder *DIFinder=nullptr)
Return a copy of the specified basic block, but without embedding the block into a particular functio...
TargetTransformInfo::PeelingPreferences gatherPeelingPreferences(Loop *L, ScalarEvolution &SE, const TargetTransformInfo &TTI, std::optional< bool > UserAllowPeeling, std::optional< bool > UserAllowProfileBasedPeeling, bool UnrollingSpecficValues=false)
void spliceBB(IRBuilderBase::InsertPoint IP, BasicBlock *New, bool CreateBranch)
Move the instruction after an InsertPoint to the beginning of another BasicBlock.
void SplitBlockAndInsertIfThenElse(Value *Cond, BasicBlock::iterator SplitBefore, Instruction **ThenTerm, Instruction **ElseTerm, MDNode *BranchWeights=nullptr, DomTreeUpdater *DTU=nullptr, LoopInfo *LI=nullptr)
SplitBlockAndInsertIfThenElse is similar to SplitBlockAndInsertIfThen, but also creates the ElseBlock...
raw_ostream & dbgs()
dbgs() - This returns a reference to a raw_ostream for debugging messages.
void report_fatal_error(Error Err, bool gen_crash_diag=true)
Report a serious error, calling any installed error handler.
BasicBlock * splitBB(IRBuilderBase::InsertPoint IP, bool CreateBranch, llvm::Twine Name={})
Split a BasicBlock at an InsertPoint, even if the block is degenerate (missing the terminator).
CodeGenOptLevel
Code generation optimization level.
bool computeUnrollCount(Loop *L, const TargetTransformInfo &TTI, DominatorTree &DT, LoopInfo *LI, AssumptionCache *AC, ScalarEvolution &SE, const SmallPtrSetImpl< const Value * > &EphValues, OptimizationRemarkEmitter *ORE, unsigned TripCount, unsigned MaxTripCount, bool MaxOrZero, unsigned TripMultiple, const UnrollCostEstimator &UCE, TargetTransformInfo::UnrollingPreferences &UP, TargetTransformInfo::PeelingPreferences &PP, bool &UseUpperBound)
format_object< Ts... > format(const char *Fmt, const Ts &... Vals)
These are helper functions used to produce formatted output.
raw_fd_ostream & errs()
This returns a reference to a raw_ostream for standard error.
AtomicOrdering
Atomic ordering for LLVM's memory model.
bool MergeBlockIntoPredecessor(BasicBlock *BB, DomTreeUpdater *DTU=nullptr, LoopInfo *LI=nullptr, MemorySSAUpdater *MSSAU=nullptr, MemoryDependenceResults *MemDep=nullptr, bool PredecessorWithTwoSuccessors=false, DominatorTree *DT=nullptr)
Attempts to merge a block into its predecessor, if possible.
DWARFExpression::Operation Op
void remapInstructionsInBlocks(ArrayRef< BasicBlock * > Blocks, ValueToValueMapTy &VMap)
Remaps instructions in Blocks using the mapping in VMap.
TargetTransformInfo::UnrollingPreferences gatherUnrollingPreferences(Loop *L, ScalarEvolution &SE, const TargetTransformInfo &TTI, BlockFrequencyInfo *BFI, ProfileSummaryInfo *PSI, llvm::OptimizationRemarkEmitter &ORE, int OptLevel, std::optional< unsigned > UserThreshold, std::optional< unsigned > UserCount, std::optional< bool > UserAllowPartial, std::optional< bool > UserRuntime, std::optional< bool > UserUpperBound, std::optional< unsigned > UserFullUnrollMaxCount)
Gather the various unrolling parameters based on the defaults, compiler flags, TTI overrides and user...
BasicBlock * SplitBlock(BasicBlock *Old, BasicBlock::iterator SplitPt, DominatorTree *DT, LoopInfo *LI=nullptr, MemorySSAUpdater *MSSAU=nullptr, const Twine &BBName="", bool Before=false)
Split the specified block at the specified instruction.
auto predecessors(const MachineBasicBlock *BB)
Constant * ConstantFoldInsertValueInstruction(Constant *Agg, Constant *Val, ArrayRef< unsigned > Idxs)
ConstantFoldInsertValueInstruction - Attempt to constant fold an insertvalue instruction with the spe...
void DeleteDeadBlocks(ArrayRef< BasicBlock * > BBs, DomTreeUpdater *DTU=nullptr, bool KeepOneInputPHIs=false)
Delete the specified blocks from BB.
This struct is a compact representation of a valid (non-zero power of two) alignment.
static void collectEphemeralValues(const Loop *L, AssumptionCache *AC, SmallPtrSetImpl< const Value * > &EphValues)
Collect a loop's ephemeral values (those used only by an assume or similar intrinsics in the loop).
This struct is a compact representation of a valid (power of two) or undefined (0) alignment.
a struct to pack relevant information while generating atomic Ops
A struct to pack the relevant information for an OpenMP depend clause.
Description of a LLVM-IR insertion point (IP) and a debug/source location (filename,...
MapNonContiguousArrayTy Offsets
MapNonContiguousArrayTy Counts
MapNonContiguousArrayTy Strides
This structure contains combined information generated for mappable clauses, including base pointers,...
MapDeviceInfoArrayTy DevicePointers
MapValuesArrayTy BasePointers
MapValuesArrayTy Pointers
StructNonContiguousInfo NonContigInfo
Helper that contains information about regions we need to outline during finalization.
PostOutlineCBTy PostOutlineCB
void collectBlocks(SmallPtrSetImpl< BasicBlock * > &BlockSet, SmallVectorImpl< BasicBlock * > &BlockVector)
Collect all blocks in between EntryBB and ExitBB in both the given vector and set.
SmallVector< Value *, 2 > ExcludeArgsFromAggregate
BasicBlock * OuterAllocaBB
Information about an OpenMP reduction.
AtomicReductionGenTy AtomicReductionGen
Callback for generating the atomic reduction body, may be null.
Value * Variable
Reduction variable of pointer type.
Value * PrivateVariable
Thread-private partial reduction variable.
ReductionGenTy ReductionGen
Callback for generating the reduction body.
Type * ElementType
Reduction element type, must match pointee type of variable.
Container for the arguments used to pass data to the runtime library.
Value * SizesArray
The array of sizes passed to the runtime library.
Value * PointersArray
The array of section pointers passed to the runtime library.
Value * MappersArray
The array of user-defined mappers passed to the runtime library.
Value * BasePointersArray
The array of base pointer passed to the runtime library.
Value * MapTypesArray
The array of map types passed to the runtime library for the beginning of the region or for the entir...
Value * MapNamesArray
The array of original declaration names of mapped pointers sent to the runtime library for debugging.
Data structure that contains the needed information to construct the kernel args vector.
Value * NumTeams
The number of teams.
Value * DynCGGroupMem
The size of the dynamic shared memory.
TargetDataRTArgs RTArgs
Arguments passed to the runtime library.
Value * NumIterations
The number of iterations.
unsigned NumTargetItems
Number of arguments passed to the runtime library.
bool HasNoWait
True if the kernel has 'no wait' clause.
Value * NumThreads
The number of threads.
Data structure to contain the information needed to uniquely identify a target entry.
static void getTargetRegionEntryFnName(SmallVectorImpl< char > &Name, StringRef ParentName, unsigned DeviceID, unsigned FileID, unsigned Line, unsigned Count)
static const Target * lookupTarget(StringRef Triple, std::string &Error)
lookupTarget - Lookup a target based on a target triple.
Defines various target-specific GPU grid values that must be consistent between host RTL (plugin),...